共 33 条
[1]
[Anonymous], 1989, Applied Logistic Regression
[2]
[Anonymous], TAIWAN EC REV
[3]
Role of prenatal care in preterm birth and low birthweight in Portugal
[J].
JOURNAL OF PUBLIC HEALTH MEDICINE,
1996, 18 (03)
:321-328
[7]
Chang TK, 1998, TZU CHI MED J, V10, P201
[8]
CHANG YS, 1999, J NATL PUBLIC HLTH A, V18, P123