[TO PROFESSOR DR. M. HACKENBROCH ON HIS 70TH BIRTHDAY].
D049673:History, 20th Century; D008511:Medicine; D019637:Orthopedic Procedures; D009985:Orthopedics
BIOGRAPHIES; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; ORTHOPEDICS
HERRN PROFESSOR DR. M. HACKENBROCH ZUM 70. GEBURTSTAG.