共 23 条
- [1] COFFEY VP, 1959, LANCET, V2, P935
- [2] COFFEY VP, 1963, LANCET, V1, P748
- [3] DEWITT D, 1962, AM J PUBLIC HEALTH, V52, P1676
- [4] DOLL R, 1960, Br J Prev Soc Med, V14, P167
- [6] EVANS TN, 1963, AM J OBSTET GYNECOL, V87, P749
- [7] HAKOSALO J, IN PRESS
- [8] HARDY MB, 1961, AM J PUBLIC HEALTH, V51, P1182
- [9] KLEMETTI A, 1970, HEALTH SERV RES, V9, P1