000			01642 a2200397 4500
005			20250513114756.0
264		0	_c19970805
008			199708s 0 0 eng d
022			_a0010-7824
024	7		_a10.1016/s0010-7824(97)00025-5 _2doi
040			_aNLM _beng _cNLM
100	1		_aEndrikat, J
245	0	0	_aA twelve-month comparative clinical investigation of two low-dose oral contraceptives containing 20 micrograms ethinylestradiol/75 micrograms gestodene and 30 micrograms ethinylestradiol/75 micrograms gestodene, with respect to efficacy, cycle control, and tolerance. _h[electronic resource]
260			_bContraception _cMar 1997
300			_a131-7 p. _bdigital
500			_aPublication Type: Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial
650	0	4	_aAdult
650	0	4	_aAmenorrhea _xepidemiology
650	0	4	_aContraceptives, Oral, Combined _xadverse effects
650	0	4	_aContraceptives, Oral, Synthetic _xadverse effects
650	0	4	_aDouble-Blind Method
650	0	4	_aEstradiol Congeners _xadverse effects
650	0	4	_aEthinyl Estradiol _xadverse effects
650	0	4	_aFemale
650	0	4	_aGermany _xepidemiology
650	0	4	_aHumans
650	0	4	_aIncidence
650	0	4	_aMenstruation _xdrug effects
650	0	4	_aNorpregnenes _xadverse effects
650	0	4	_aTime Factors
650	0	4	_aUterine Hemorrhage _xchemically induced
700	1		_aMüller, U
700	1		_aDüsterberg, B
773	0		_tContraception _gvol. 55 _gno. 3 _gp. 131-7
856	4	0	_uhttps://doi.org/10.1016/s0010-7824(97)00025-5 _zAvailable from publisher's website
999			_c9096590 _d9096590