FITNESS OF CZECHOSLOVAKIAN AND VIETNAMESE PHYSICIANS UNDER GRADED WORK-LOAD.
D003604:Czechoslovakia; D006801:Humans; D008660:Metabolism; D005082:Physical Exertion; D010809:Physical Fitness; D010820:Physicians; D014744:Vietnam; D016526:Workload
CZECHOSLOVAKIA; EXERTION; METABOLISM; PHYSICAL FITNESS; PHYSICIANS; VIETNAM