共 8 条
[3]
ORAL CONTRACEPTIVES AND MORTALITY TRENDS FROM THROMBOEMBOLISM IN UNITED STATES
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1969, 59 (03)
:418-&
[4]
MARSHALL BR, 1973, OBSTET GYNECOL, V41, P83
[5]
SARTWELL PE, 1969, 2ND REPORT ORAL CONT
[7]
TIETZE C, 1969, STUD FAMILY PLANN, V45, P6
[8]
1968, REPORT INTRAUTERINE, P31