共 50 条
- [24] BENEFITS AND RISKS OF CHILDHOOD IMMUNIZATIONS IN DEVELOPING-COUNTRIES [J]. BRITISH MEDICAL JOURNAL, 1987, 294 (6583): : 1329 - 1331
- [28] OPPORTUNITIES FOR SMALL CHEMICAL ENTREPRENEURS IN DEVELOPING-COUNTRIES [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1980, 179 (MAR): : 4 - SCHB
- [30] MANAGEMENT OF MEDICAL TECHNOLOGY IN DEVELOPING-COUNTRIES [J]. JOURNAL OF BIOMEDICAL ENGINEERING, 1990, 12 (03): : 259 - 261