共 9 条
[2]
GIBBONS JM, 1972, OBSTET GYNECOL, V39, P631
[4]
GLUCK L, 1971, PROCEDURE INTRAUTERI
[6]
KULKARNI BD, 1972, OBSTET GYNECOL, V40, P173
[7]
SPELLACY WN, 1972, OBSTET GYNECOL, V39, P852
[8]
STEIN SM, 1973, LANCET, V2, P378
[9]
WAGSTAFF TI, 1974, J OBSTET GYN BR COMM, V81, P264