[ON THE 70TH BIRTHDAY OF PROF. DR. E. H. HERMANS].
D049673:History, 20th Century; D008511:Medicine; D012749:Sexually Transmitted Diseases
BIOGRAPHIES; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; VENEREAL DISEASES
BIJ DE 70E JAARDAG VAN PROF. DR. E. H. HERMANS.