000 00936 a2200313 4500
005 20250511133244.0
264 0 _c19790901
008 197909s 0 0 eng d
022 _a0007-1447
024 7 _a10.1136/bmj.1.6175.1422-b
_2doi
040 _aNLM
_beng
_cNLM
100 1 _aColes, E C
245 0 0 _aUltrasound estimation of gestational age.
_h[electronic resource]
260 _bBritish medical journal
_cMay 1979
300 _a1422 p.
_bdigital
500 _aPublication Type: Letter
650 0 4 _aFemale
650 0 4 _aGestational Age
650 0 4 _aHumans
650 0 4 _aMenstruation
650 0 4 _aPregnancy
650 0 4 _aTime Factors
650 0 4 _aUltrasonography
700 1 _aAltman, D G
700 1 _aMeire, H B
700 1 _aFarrant, P
773 0 _tBritish medical journal
_gvol. 1
_gno. 6175
_gp. 1422
856 4 0 _uhttps://doi.org/10.1136/bmj.1.6175.1422-b
_zAvailable from publisher's website
999 _c465538
_d465538