[Laennec invents the stethoscope].
Lefrère
Jean-Jacques
JJ
Institut national de la transfusion sanguine, 75015 Paris, France. jeanjacqueslefrere@orange.fr
Berche
Patrick
P
D005602:France; D049671:History, 18th Century; D049672:History, 19th Century; D019023:Stethoscopes / Q000266:history*