[RESULTS OF A SERIAL MASS EXAMINATION OF STONE MASONS AS A CONTRIBUTION TO THE PROBLEM OF OCCUPATIONAL DISK DISLOCATIONS].
D005858:Germany; D005859:Germany, East; D006801:Humans; D007405:Intervertebral Disc Displacement; D004204:Joint Dislocations; D009784:Occupational Diseases
GERMANY, EAST; INTERVERTEBRAL DISK DISPLACEMENT; OCCUPATIONAL DISEASES
EREGNISSE EINER REIHENUNTERSUCHUNG VON FACHERN ALS BEITRAG ZUR FRAGE DES ARBEITSBEDINGTEN BANDSCHEIBENSCHADENS.