[The 55th anniversary of V. Balas, D.Sc., corresponding member of the Czechoslovak Academy of Sciences].
D003604:Czechoslovakia; D013502:General Surgery / Q000266:history; D049673:History, 20th Century
K pĕtapadesátinám prof. MUDr. V. Balase, DrSc., clena korespondenta CSAV.