TY - GEN AU - Hallahan,T W AU - Krantz,D A TI - Appropriate terminology for free beta-hCG SN - 0197-3851 PY - 2005///0308 KW - Chorionic Gonadotropin, beta Subunit, Human KW - Female KW - Humans KW - Pregnancy KW - Prenatal Diagnosis KW - Terminology as Topic KW - Trisomy KW - diagnosis N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1002/pd.905 ER -