共 50 条
- [41] THE NEED FOR CLEARING INFORMATION ON OCCUPATIONAL STUDIES AND POSSIBLE WAYS OF ORGANIZING A CLEARANCE SERVICE VOCATIONAL GUIDANCE MAGAZINE, 1925, 3 (07): : 235 - 238
- [42] Problems of occupational hygiene in activities of Novosibirsk Research Institute for Hygiene Shi You Lian Zhi Yu Hua Gong/Petroleum Processing and Petrochemicals, 1998, 29 (11): : 10 - 13
- [49] SCIENTIFIC REPORTS ON INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES IN CZECHOSLOVAKIA - INSTITUTE-OF-INDUSTRIAL-HYGIENE-AND-OCCUPATIONAL-DISEASES JOURNAL OF OCCUPATIONAL MEDICINE, 1969, 11 (09): : 492 - 492
- [50] OCCUPATIONAL VIRAL-HEPATITIS, ACUTE PROBLEM OF OCCUPATIONAL HYGIENE ARCHIVES DES MALADIES PROFESSIONNELLES DE MEDECINE DU TRAVAIL ET DE SECURITE SOCIALE, 1975, 36 (09): : 465 - 475