共 12 条
[1]
FALK V, 1965, ACTA OBSTET GYNEC S6, V44
[2]
INTRAUTERINE-DEVICES AND ACUTE PELVIC INFLAMMATORY DISEASE
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1976, 235 (17)
:1851-1853
[4]
MANTEL N, 1959, J NATL CANCER I, V22, P719
[6]
Novak Edmund R., 1975, NOVAKS TXB GYNECOLOG
[7]
SHAPIRO S, 1977, DRUG MONITORING
[8]
SLONE D, 1977, EPIDEMIOLOGICAL EVAL
[10]
VESSEY M, 1976, J BIOSOC SCI, V1, P371