Dr. John Clark.
Schatzki
S C
SC
Department of Radiology, Mount Auburn Hospital, Cambridge, MA 02238.
D004739:England; D049670:History, 17th Century; D006801:Humans; D008404:Massachusetts; D008512:Medicine in the Arts; D010820:Physicians / Q000266:history*; D011173:Portraits as Topic / Q000266:history*