000 00880 a2200301 4500
005 20250513023139.0
264 0 _c19800928
008 198009s 0 0 eng d
022 _a0029-7844
040 _aNLM
_beng
_cNLM
100 1 _aSmith, D H
245 0 0 _aTwin pregnancy suspected before implantation.
_h[electronic resource]
260 _bObstetrics and gynecology
_cAug 1980
300 _a252-4 p.
_bdigital
500 _aPublication Type: Case Reports; Journal Article
650 0 4 _aAdult
650 0 4 _aFemale
650 0 4 _aHumans
650 0 4 _aOvulation Detection
_xmethods
650 0 4 _aPregnancy
650 0 4 _aPregnancy Tests
_xmethods
650 0 4 _aPregnancy, Multiple
650 0 4 _aTwins
650 0 4 _aUltrasonography
700 1 _aPicker, R H
700 1 _aSaunders, D M
773 0 _tObstetrics and gynecology
_gvol. 56
_gno. 2
_gp. 252-4
999 _c7393027
_d7393027