共 50 条
- [25] INDUSTRIAL HYGIENE DIVISION, BUREAU OF STATE SERVICES, UNITED-STATES-PUBLIC-HEALTH-SERVICE OCCUPATIONAL MEDICINE, 1947, 3 (03): : 303 - 311
- [26] THE UNITED-STATES-PUBLIC-HEALTH-SERVICE - BALTIMORE CITY HOSPITALS RESEARCH SECTION ON GERONTOLOGY JOURNALS OF GERONTOLOGY, 1947, 2 (02): : 169 - 170