good wiki

PubMed Central

PubMed Central (PMC) is a free digital repository that archives open access full-text scholarly articles that have been published in biomedical and life sciences journals. As one of the major research databases developed by the National Center for Biotechnology Information (NCBI), PubMed Central is more than a document repository.

More at Wikipedia

About

You might be interested in

ArXiv

ArXiv is a highly popular and influential online repository of scientific papers, specifically in the fields of mathematics, physics, computer science, and other related disciplines.

British Library

The British Library is the national library of the United Kingdom and one of the largest libraries in the world.

Director of the National Institutes of Health

In the United States, the National Institutes of Health (NIH) is the primary agency responsible for medical research.

HTML

HTML (Hypertext Markup Language) is the standard markup language for creating web pages and applications.

ISBN

An International Standard Book Number (ISBN) is a unique numeric commercial book identifier.

Library of Congress

The Library of Congress is the national library of the United States and one of the largest libraries in the world.

MEDLINE

MEDLINE (Medical Literature Analysis and Retrieval System Online, or MEDLARS Online) is a bibliographic database of life sciences and biomedical information.

National Center for Biotechnology Information

The National Center for Biotechnology Information (NCBI) is a part of the United States National Library of Medicine (NLM), which is a branch of the National Institutes of Health (NIH).