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