共 18 条
[2]
BLAKER F, 1971, HDB KINDERHEILKUNDE, V1, P240
[4]
BROWN JJ, 1964, LANCET, V2, P64
[6]
FRIISHANSEN B, 1956, ACTA PAEDIAT UP S110, P1
[9]
Kokot F, 1970, Zentralbl Gynakol, V92, P280