Medical philately (medical personalities on stamps)--George Nicholas Papanicolaou.
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Population Council, India Habitat Centre, Lodi Road, New Delhi.
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D003535:Cyprus; D005260:Female; D006115:Greece; D049673:History, 20th Century; D006801:Humans; D065006:Papanicolaou Test; D010678:Philately; D002583:Uterine Cervical Neoplasms / Q000175:diagnosis; D014626:Vaginal Smears / Q000266:history*