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Studies on menarche of Japanese girls
Abstract
No abstract available in PubMed .
Keywords:
Age FactorsAsiaBiological CharacteristicsBiologyComparative StudiesCzechoslovakiaDemographic FactorsDenmarkDeveloped CountriesDeveloping CountriesEastern AsiaEastern EuropeEuropeJapanMenarcheMenstruationNorthern EuropePopulationPopulation CharacteristicsPopulation DynamicsReproductionResearch ReportScandinaviaSeasonal VariationTime Factors