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第一作者：
A M,Webb
第一单位：
Department of Obstetrics and Gynaecology, University of Manchester.
作者：
关键词
BiologyBleedingClinical ResearchClinical TrialsComparative StudiesContraceptionContraceptive AgentsContraceptive Agents, Estrogen--side effectsContraceptive Agents, FemaleContraceptive Agents, Female--side effectsContraceptive Agents, PostcoitalContraceptive Agents, Progestin--side effectsContraceptive Agents--side effectsContraceptive EffectivenessContraceptive UsageDemographic FactorsDeveloped CountriesDiseasesEndocrine SystemEnglandEthinyl Estradiol--side effectsEuropeFamily PlanningFertilityFertility MeasurementsHormone AntagonistsHormonesLevonorgestrel--side effectsMethod AcceptabilityMethodological StudiesNorthern EuropePhysiologyPopulationPopulation DynamicsPregnancy RateResearch MethodologyRu-486Signs And SymptomsStudiesUnited Kingdom
主题词
青少年(Adolescent);成年人(Adult);避孕药, 口服, 复合(Contraceptives, Oral, Combined);避孕药, 性交后(Contraceptives, Postcoital);达那唑(Danazol);炔雌醇(Ethinyl Estradiol);女(雌)性(Female);人类(Humans);左炔诺孕酮(Levonorgestrel);月经(Menstruation);中年人(Middle Aged);米非司酮(Mifepristone);恶心(Nausea);妊娠(Pregnancy);治疗结果(Treatment Outcome);呕吐(Vomiting)
DOI
10.1136/bmj.305.6859.927
PMID
1458074
发布时间
2019-05-01
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