| 000 | 01385 a2200397 4500 | ||
|---|---|---|---|
| 005 | 20250513204955.0 | ||
| 264 | 0 | _c20000519 | |
| 008 | 200005s 0 0 eng d | ||
| 022 | _a0197-3851 | ||
| 024 | 7 |
_a10.1002/(sici)1097-0223(200004)20:4<311::aid-pd809>3.0.co;2-p _2doi |
|
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aSpencer, K | |
| 245 | 0 | 0 |
_aIs maternal serum total hCG a marker of trisomy 21 in the first trimester of pregnancy? _h[electronic resource] |
| 260 |
_bPrenatal diagnosis _cApr 2000 |
||
| 300 |
_a311-7 p. _bdigital |
||
| 500 | _aPublication Type: Journal Article | ||
| 650 | 0 | 4 | _aAdolescent |
| 650 | 0 | 4 | _aAdult |
| 650 | 0 | 4 |
_aBiomarkers _xblood |
| 650 | 0 | 4 |
_aChorionic Gonadotropin _xblood |
| 650 | 0 | 4 |
_aChorionic Gonadotropin, beta Subunit, Human _xblood |
| 650 | 0 | 4 |
_aDown Syndrome _xblood |
| 650 | 0 | 4 | _aFemale |
| 650 | 0 | 4 | _aGestational Age |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aPregnancy |
| 650 | 0 | 4 | _aPregnancy Trimester, First |
| 650 | 0 | 4 |
_aPregnancy-Associated Plasma Protein-A _xanalysis |
| 650 | 0 | 4 |
_aalpha-Fetoproteins _xanalysis |
| 700 | 1 | _aBerry, E | |
| 700 | 1 | _aCrossley, J A | |
| 700 | 1 | _aAitken, D A | |
| 700 | 1 | _aNicolaides, K H | |
| 773 | 0 |
_tPrenatal diagnosis _gvol. 20 _gno. 4 _gp. 311-7 |
|
| 856 | 4 | 0 |
_uhttps://doi.org/10.1002/(sici)1097-0223(200004)20:4<311::aid-pd809>3.0.co;2-p _zAvailable from publisher's website |
| 999 |
_c10693642 _d10693642 |
||