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free resource BioMed Central https://trialsjournal.biomedcentral.com/articles/10.1186/s13063-017-2434-1
Health Facilities free resource MedlinePlus Health Information https://medlineplus.gov/healthfacilities.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29373987/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/29373987
free resource scite Smart Citations https://scite.ai/reports/29373987