共 62 条
[2]
ALLISON AC, 1954, T ROY SOC TROP MED H
[3]
ALTMANN A, 1945, S Afr Med J, V19, P457
[4]
ANDERSON GW, 1949, AM J OBSTET GYNAEC, V58, P476
[5]
[Anonymous], 1949, NEGRO US
[7]
Beet E. A., 1946, EAST AFRICAN MED JOUR, V23, P75
[8]
BEET EA, 1949, ANN EUGENIC, V14, P279
[9]
BIANCO I, 1952, ANN EUGENIC, V16, P299
[10]
BRAIN P, 1952, S Afr Med J, V26, P925