[PROFESSOR R. HOTZ ON HIS 60TH BIRTHDAY ON MAY 13, 1965].
D003813:Dentistry; D049673:History, 20th Century; D008511:Medicine; D013557:Switzerland
BIOGRAPHIES; DENTISTRY; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; SWITZERLAND
PROF. DR. MED. R. HOTZ ZUM 60. GEBURTSTAG AM 13. MAI 1965.