共 15 条
- [1] ANDERSON S, 1980, STATISTICAL METHODS
- [2] Chaparro M V, 1978, Int J Gynaecol Obstet, V15, P307
- [3] Cox DR., 1990, BIOMETRICS, V46, P550, DOI DOI 10.2307/2531476
- [5] FARR C, 1928, SURG GYNECOL OBSTET, V49, P647
- [6] HEDBERG E, 1958, Acta Obstet Gynecol Scand, V37, P131
- [10] WALKER SH, 1967, BIOMETRIKA, V54, P167, DOI 10.2307/2333860