TY  - GEN
AU  - Hsu,J J
AU  - Hsieh,T T
AU  - Hung,T H
AU  - Chen,K C
AU  - Soong,Y K
TI  - Urine free beta-human chorionic gonadotropin levels between 14 and 21 weeks of gestation in Taiwanese pregnancies
PY  - 1999///0805
KW  - Chorionic Gonadotropin, beta Subunit, Human
KW  - urine
KW  - Creatinine
KW  - Female
KW  - Gestational Age
KW  - Humans
KW  - Pregnancy
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't
ER  -