000			01666 a2200517 4500
005			20250513053413.0
264		0	_c19941208
008			199412s 0 0 eng d
022			_a0001-5660
024	7		_a10.1017/s0001566000002038 _2doi
040			_aNLM _beng _cNLM
100	1		_aDionne, C E
245	0	0	_aSeasonal variation of twin births in Washington State. _h[electronic resource]
260			_bActa geneticae medicae et gemellologiae _c1993
300			_a141-9 p. _bdigital
500			_aPublication Type: Journal Article
650	0	4	_aAdolescent
650	0	4	_aAdult
650	0	4	_aBirth Certificates
650	0	4	_aBirth Rate
650	0	4	_aCase-Control Studies
650	0	4	_aFemale
650	0	4	_aGestational Age
650	0	4	_aGonadotropins, Pituitary _xmetabolism
650	0	4	_aHumans
650	0	4	_aInfant, Newborn
650	0	4	_aMale
650	0	4	_aMelatonin _xmetabolism
650	0	4	_aMiddle Aged
650	0	4	_aModels, Biological
650	0	4	_aOdds Ratio
650	0	4	_aParity
650	0	4	_aPregnancy
650	0	4	_aPregnancy, Multiple _xstatistics & numerical data
650	0	4	_aSeasons
650	0	4	_aSunlight
650	0	4	_aSuperovulation _xradiation effects
650	0	4	_aTwins _xstatistics & numerical data
650	0	4	_aTwins, Dizygotic _xstatistics & numerical data
650	0	4	_aTwins, Monozygotic _xstatistics & numerical data
650	0	4	_aWashington _xepidemiology
700	1		_aSöderström, M
700	1		_aSchwartz, S M
773	0		_tActa geneticae medicae et gemellologiae _gvol. 42 _gno. 2 _gp. 141-9
856	4	0	_uhttps://doi.org/10.1017/s0001566000002038 _zAvailable from publisher's website
999			_c7975440 _d7975440