The influence of socio-economic factors on mean age of menarche in Sri Lanka.
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Jayasekara
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Goonewardene
D000293:Adolescent; D001722:Birth Order; D002648:Child; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008572:Menarche; D012959:Socioeconomic Factors; D013188:Sri Lanka