共 6 条
[1]
MEASURING GESTATIONAL-AGE - AN UNCERTAIN PROPOSITION
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1992, 99 (04)
:280-282
[2]
BOKLAGE CE, 1992, INT J FERTIL, V37, P74
[5]
THE VALIDITY OF GESTATIONAL-AGE ESTIMATION BY MENSTRUAL DATING IN TERM, PRETERM, AND POSTTERM GESTATIONS
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1988, 260 (22)
:3306-3308
[6]
MILNER RDG, 1974, J OBSTET GYN BR COMM, V81, P956