共 24 条
[21]
SOLTH K, 1948, GEBURTSH FRAUENHEILK, V7, P134
[22]
Streeter GL, 1920, CONTRIB EMBRYOL, V11, P145
[23]
von HARNACK G, 1960, Monatsschr Kinderheilkd, V108, P412
[24]
WALKER J, 1954, COLD SPRING HARB SYM, V19, P39