000 01167 a2200313 4500
005 20250513031743.0
264 0 _c19950720
008 199507s 0 0 eng d
022 _a0004-5632
024 7 _a10.1177/000456329503200223
_2doi
040 _aNLM
_beng
_cNLM
100 1 _aBreimer, L
245 0 0 _aFirst trimester biochemical screening for trisomy 21: the role of free beta-hCG and pregnancy associated plasma protein.
_h[electronic resource]
260 _bAnnals of clinical biochemistry
_cMar 1995
300 _a233 p.
_bdigital
500 _aPublication Type: Comment; Letter
650 0 4 _aChorionic Gonadotropin
_xblood
650 0 4 _aChorionic Gonadotropin, beta Subunit, Human
650 0 4 _aDown Syndrome
_xdiagnosis
650 0 4 _aFemale
650 0 4 _aHumans
650 0 4 _aPeptide Fragments
_xblood
650 0 4 _aPregnancy
650 0 4 _aPregnancy Trimester, First
650 0 4 _aPregnancy-Associated Plasma Protein-A
_xanalysis
650 0 4 _aPrenatal Diagnosis
773 0 _tAnnals of clinical biochemistry
_gvol. 32 ( Pt 2)
_gp. 233
856 4 0 _uhttps://doi.org/10.1177/000456329503200223
_zAvailable from publisher's website
999 _c7539841
_d7539841