1 jun 1963 año - Medical Literature 
Analysis and Retrieval 
System (MEDLARS)
launched
Descripción:
 The National Library of Medicine (NLM) launches the Medical Literature Analysis and Retrieval System (MEDLARS). 
Source:
National Library of Medicine. MEDLINE: History. National Library of Medicine. https://www.nlm.nih.gov/medline/medline_history.html. Last Reviewed Feb. 10, 2021. Accessed March 17, 2021. 
Añadido al timeline:
fecha:
1 jun 1963 año
Ahora mismo
 ~ 62 years ago