共 12 条
- [2] FIREBAUGH G, 1978, AM SOCIOL REV, V43, P557, DOI 10.2307/2094779
- [3] GRAYBILL FA, 1976, THEORY APPLICATION L
- [4] GREENLAND S, 1986, INT J EPIDEMIOL, V15, P412
- [5] KLEINBAUM DG, 1982, EPIDEMIOLOGIC RES
- [6] Langbein L.I., 1978, ECOLOGICAL INFERENCE
- [7] CONFOUNDING - ESSENCE AND DETECTION [J]. AMERICAN JOURNAL OF EPIDEMIOLOGY, 1981, 114 (04) : 593 - 603
- [8] USES OF ECOLOGIC ANALYSIS IN EPIDEMIOLOGIC RESEARCH [J]. AMERICAN JOURNAL OF PUBLIC HEALTH, 1982, 72 (12) : 1336 - 1344
- [9] NEUTRA RR, 1984, ANTENATAL NEONATAL S