共 23 条
- [1] [Anonymous], 1978, INT CLASSIFICATION D
- [2] TESTS FOR LINEAR TRENDS IN PROPORTIONS AND FREQUENCIES [J]. BIOMETRICS, 1955, 11 (03) : 375 - 386
- [4] BAIRD PA, 1987, CAN MED ASSOC J, V136, P109
- [5] BANISTER P, 1970, CAN MED ASSOC J, V103, P466
- [8] BURTCH RL, 1974, CONGENITAL DEFORMITI, P506
- [10] FLYNT JW, 1974, CONGENITAL DEFECTS N, P119