title: Memorable Medical Mentors: IV. John Whitridge Williams (1866-1931).
authors.affiliation: College of Physicians and Surgeons, Columbia University and Consultant in Obstetrics and Gynecology, The Presbyterian Hospital, New York, New York, USA. kspeert@kvvi.net
authors.forename: Harold
authors.initials: H
authors.lastname: Speert
mesh_terms: D015142:Baltimore; D004501:Education, Medical / Q000266:history*; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009774:Obstetrics / Q000193:education / Q000266:history*; D010920:Placenta / Q000502:physiology; D011247:Pregnancy; D013782:Textbooks as Topic / Q000266:history; D014481:United States