297,117 PROBLEMS Problems of modernization and occupational health in the People's Republic of China / guest ed. David H. Wegman [et al.] ; Chinese Ed. Com. Gu Xue-qi [et al.]. — Helsinki [etc.] : [Publ. by Institute of Occupational Health Finland], 1985. — 67 s. : wykr. ; 26 cm (Scandinavian Journal of Work, Environment and Health, ISSN 0355-3140 ; suppl. 4)