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The Archive · United States

Sources cited for United States

Every distinct source our published research on United States cites, ranked by how many findings lean on it. Follow a title for the source in full, or the link to read it at origin.

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6472 sources · showing 1901–1950
  1. Late Term Abortion for International Patients DuPont Clinic July 25, 2025 dupontclinic.com/adwords/late-term-abortion-for-international-patients Cited in 1 published report
  2. Late-term Abortion Laws by State 2026 World Population Review January 2026 worldpopulationreview.com/state-rankings/late-term-abortion-laws-by-state Cited in 1 published report
  3. Laws for Opening a Med Spa American Med Spa Association August 14, 2025 americanmedspa.org/opening-a-med-spa-laws Cited in 1 published report
  4. Lead, Mercury, and Arsenic in US- and Indian-Manufactured Ayurvedic Medicines PMC 2008 pmc.ncbi.nlm.nih.gov/articles/PMC2755247 Cited in 1 published report
  5. Learn The FDA Requirements for Egg Donation Creative Love Surrogacy Agency June 2024 cledp.com/blog/learn-the-fda-requirements-for-egg-donation Cited in 1 published report
  6. Legal and Regulatory Considerations Surrounding GFEs for Medspas Qualiphy August 2023 qualiphy.me/legal-and-regulatory-considerations-surrounding-gfes-for-medspas Cited in 1 published report
  7. Legal Language in Aesthetic Practices Prospyr Med 2024 www.prospyrmed.com/blog/post/legal-language-in-aesthetic-practices-botox-and-fillers Cited in 1 published report
  8. Legal Requirements AAFP May 10, 2023 www.aafp.org/family-physician/practice-and-care Cited in 1 published report
  9. Legal Requirements for Telehealth AAFP May 10, 2023 www.aafp.org/family-physician/practice-and-career/managing-your-practice/telehealth-and-telemedicine/legal-requirements-for-telehealth.html Cited in 1 published report
  10. Legal Standards for Alternative Medicine Practitioners Hunt Law 2025 huntlaw.com/2025/09/22/alternative-medicine-practitioners-and-malpractice-legal-standards-for-non-traditional-care Cited in 1 published report
  11. Legal Status of Psilocybin Mushrooms Wikipedia 2025 en.wikipedia.org/wiki/Legal_status_of_psilocybin_mushrooms Cited in 1 published report
  12. Legislation North Carolina Association of Naturopathic Physicians July 4, 2020 ncanp.org/legislation Cited in 1 published report
  13. Less is More College of American Pathologists September 9, 2022 www.cap.org/member-resources/articles/less-is-more Cited in 1 published report
  14. Levels of maternal care American Journal of Obstetrics & Gynecology January 22, 2015 www.ajog.org/article/s0002-9378(14 Cited in 1 published report
  15. Levels of maternal care PubMed March 2015 pubmed.ncbi.nlm.nih.gov/25620372 Cited in 1 published report
  16. Levels of Maternal Care Kansas Legislature 2015 kslegislature.gov/li_2016/b2015_16/committees/ctte_h_children_and_seniors_1/documents/testimony/20150319_05.pdf Cited in 1 published report
  17. Levels of Maternal Care ACOG 2024 www.acog.org/programs/lomc Cited in 1 published report
  18. Levels of Maternal Care: Obstetric Care Consensus No, 9 PubMed August 2019 pubmed.ncbi.nlm.nih.gov/31348224 Cited in 1 published report
  19. Levels of Maternal Care: State Implementation ACOG 2024 www.acog.org/programs/lomc/state-implementation Cited in 1 published report
  20. Levels of Maternal Care Verification Pilot: Translating Guidance Into Practice PMC March 2019 pmc.ncbi.nlm.nih.gov/articles/PMC6432627 Cited in 1 published report
  21. Levi Hospital June 12, 2025 levihospital.com Cited in 1 published report
  22. Licensed Regenexx Network Locations Regenexx 2025 regenexx.com/locations Cited in 1 published report
  23. License Statistics for Acupuncture New York Office of the Professions Accessed 2024 www.op.nysed.gov/professions/acupuncture/license-statistics Cited in 1 published report
  24. Licensing National Med Spa Association September 4, 2025 nationalmsa.org/licensing-2 Cited in 1 published report
  25. Licensing and Scope of Practice National University of Natural Medicine January 4, 2021 nunm.edu/2019/05/nd-licensing-and-scope Cited in 1 published report
  26. Licensure | Understanding Naturopathic Medicine & Physicians 2020 www.naturopathicmedicine.website/licensure-specialties/licensure Cited in 1 published report
  27. Life Expectancy After Stem Cell Transplant Luxora Experiences September 17, 2025 luxoraexperiences.com/blogs/life-expectancy-after-stem-cell-transplant Cited in 1 published report
  28. Life Expectancy in Patients Surviving More Than 5 Years After HCT PMC 2010 pmc.ncbi.nlm.nih.gov/articles/PMC2834427 Cited in 1 published report
  29. Lifestyle Medicine Board Certification for MDs and DOs ACLM August 15, 2025 lifestylemedicine.org/certification Cited in 1 published report
  30. Lifestyle Medicine Certification American Board of Lifestyle Medicine January 27, 2025 ablm.org/lifestyle-medicine-certification Cited in 1 published report
  31. Lifestyle Medicine Retreats The Point Retreats thepointretreats.com/program-retreat/572 Cited in 1 published report
  32. Lifewellness Programs Lifewellness Institute November 1, 2023 mylwi.com/our-programs/lifewellness-programs Cited in 1 published report
  33. LifeWorks Wellness Center Accessed 2026 www.lifeworkswellnesscenter.com/cancer/alternative-cancer-treatment.html Cited in 1 published report
  34. Linear accelerator maintenance cost analysis Carlone 2024 aapm.onlinelibrary.wiley.com/doi/10.1002/acm2.14246 Cited in 1 published report
  35. List of 10+ Ayurveda Clinics in United States PlacidWay July 2024 www.placidway.com/search-medical-centers/Ayurveda/United-States/1 Cited in 1 published report
  36. List of Alternative Medicine Clinics in United States PlacidWay January 24, 2019 www.placidway.com/search-medical-centers/Alternative-Medicine/United-States/1 Cited in 1 published report
  37. List of hot springs in the United States Wikipedia November 11, 2025 en.wikipedia.org/wiki/List_of_hot_springs_in_the_United_States Cited in 1 published report
  38. List of level IV NICU's allnurses February 18, 2020 allnurses.com/list-level-iv-nicus-t559818 Cited in 1 published report
  39. List Of The 50 State Visitor's Bureaus Detail Oriented Traveler February 19, 2025 www.detailorientedtraveler.com/50-state-visitors-bureaus-tourism-websites Cited in 1 published report
  40. List Prices for Proton Radiation Therapy PubMed 2022 pubmed.ncbi.nlm.nih.gov/35512990 Cited in 1 published report
  41. Live birth rate similar for frozen donor egg IVF Mayo Clinic June 20, 2022 www.mayoclinic.org/medical-professionals/obstetrics-gynecology/news/live-birth-rate-similar-for-frozen-donor-egg-ivf-with-fresh-or-frozen-sperm/mac-20533908 Cited in 1 published report
  42. Longest Accredited Laboratories PR Newswire June 24, 2019 www.prnewswire.com/news-releases/the-best-in-pathology-laboratory-quality-proficiency-testing-technology--patient-safety-300871692.html Cited in 1 published report
  43. LONGEVITY8™ Retreat at Canyon Ranch Resorts www.canyonranch.com/m/longevity8 Cited in 1 published report
  44. Longevity of Porcelain Veneers Genesis Publishing January 21, 2025 www.genesispub.org/longevity-of-porcelain-veneers-a-comprehensive-review Cited in 1 published report
  45. Long-Term Mortality Study Adams et al. January 2023 onlinelibrary.wiley.com/doi/10.1002/oby.23646 Cited in 1 published report
  46. Long-Term Safety of LASIK: A Comprehensive Overview Clear Vision Center September 10, 2024 www.clearvisioncenter.com/2024/09/10/long-term-safety-of-lasik-a-comprehensive-overview Cited in 1 published report
  47. Los Angeles Fetal Surgery Children's Hospital Los Angeles 2024 www.chla.org/fetal-and-neonatal-institute/programs-and-services/fetal-maternal-center/los-angeles-fetal-surgery Cited in 1 published report
  48. Los Angeles Post-Surgical Care Center | Beverly Hills Post Surgery After Care Aura AfterCare August 3, 2018 www.auraaftercare.com Cited in 1 published report
  49. Low-Dose Lung CT Screening Arizona Diagnostic Radiology www.arizonadiagnosticradiology.com/services/low-dose-ct-lung-cancer-screening Cited in 1 published report
  50. Low Level Laser System for Aesthetic Use Class II Special Controls Guidance 2025 www.fda.gov/medical-devices/guidance-documents-medical-devices-and-radiation-emitting-products/low-level-laser-system-aesthetic-use-class-ii-special-controls-guidance-industry-and-fda-staff Cited in 1 published report