共 7 条
[2]
Haultain F W, 1908, Proc R Soc Med, V1, P279
[5]
KALTREIDER DF, 1947, B SCHOOL MED MARYLAN, V31, P145
[7]
McCullagh WMcKH, 1925, BJOG INT J OBSTETGYN, V32, P280, DOI [10.1111/j.1471-0528.1925.tb06344.x, DOI 10.1111/J.1471-0528.1925.TB06344.X]