共 10 条
[2]
BELL DR, 1963, B WORLD HEALTH ORGAN, V29, P525
[4]
JORDAN P, 1978, B WORLD HEALTH ORGAN, V56, P139
[5]
MANTEL N, 1959, J NATL CANCER I, V22, P719
[6]
PRENTICE MA, 1971, PANS, V17, P64
[7]
SNEDECOR GW, 1967, STATISTICAL METHODS, P253
[8]
STURROCK R F, 1974, International Journal for Parasitology, V4, P231, DOI 10.1016/0020-7519(74)90079-4
[9]
STURROCK R F, 1973, International Journal for Parasitology, V3, P795, DOI 10.1016/0020-7519(73)90071-4