[The 65th birthday of professor J. Obrtel and the 50th anniversary of his work in medicine].
D003604:Czechoslovakia; D003880:Dermatology / Q000266:history; D049673:History, 20th Century
K pĕtasedmdesátinám prof. MUDr. J. Obretela, DrSc., a k padesátému výroci jeho práce ve zdravotnictví.