共 6 条
[1]
BAIRD D, 1945, J OBSTET GYN BRIT EM, V52, P339
[2]
BERNARD R M, 1952, Edinb Med J, V59, P1
[3]
BUTLER NR, 1969, PERINATAL PROBLEMS
[4]
Camilleri A P, 1976, St Lukes Hosp Gaz (Guardamangia), V11, P57
[5]
Thomson A M, 1959, Eugen Rev, V51, P157