Perloff, Gallavardin, Shanghai, and Tsingtao.
Cheng
Tsung O
TO
D002309:Cardiology / Q000193:education / Q000266:history*; D002681:China; D006337:Heart Murmurs / Q000266:history; D049673:History, 20th Century; D008611:Mentors / Q000266:history*; D014481:United States