Dailymed website contains 80792 drug listings as submitted to the Food and Drug Administration (FDA). The documents published use the HL7 version 3 Structured Product Labeling (SPL) standard, which is an XML format that combines the human readable text of the product label with structured data elements that describe the composition, form, packaging, and other properties of the drug products in detail according to the HL7 Reference Information Model (RIM).
MEDLINE® contains journal citations and abstracts for biomedical literature from around the world. It contains over 25 million indexed articles (usually abstracts and some minor number of full text article). In order to download articles, licence needs to be requested from NIH.
PubMed Central® (PMC) is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM). It contains 3.7 million full text articles from 1776 journals. In order to download data, licence needs to be requested from NIH. Documents can be downloaded in XML and PDF format.