title: The founders of the Medical Society of Delaware: Jonas Preston.
authors: Medical Society of Deleware, USA.
authors: William H
authors: WH
authors: Duncan
mesh_terms: D003691:Delaware; D049671:History, 18th Century; D006771:Hospitals, Maternity / Q000266:history; D006801:Humans; D009774:Obstetrics / Q000266:history; D015143:Philadelphia; D012955:Societies, Medical