共 50 条
- [1] INFANT-MORTALITY AND THE LOW-BIRTH-WEIGHT INFANT JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1985, 253 (06): : 826 - 826
- [10] ALTITUDE, LOW BIRTH-WEIGHT, AND INFANT-MORTALITY IN COLORADO JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1988, 259 (23): : 3427 - 3432