共 8 条
[3]
KENDRICK JS, 1987, J FAM PRACTICE, V25, P245
[4]
LI SQ, 1988, VASAL STERILIZATION, P176
[5]
LIPSHULTZ LI, 1980, UROL CLIN N AM, V7, P89
[6]
LISKIN L, 1983, POPUL REP D, V4, pD61
[7]
Ross J. A., 1988, FAMILY PLANNING CHIL
[8]
ROSS JA, 1985, VOLUNTARY STERILIZAT