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Age at menarche and the menstrual pattern of secondary school adolescents in northwest Ethiopia
BACKGROUND: Population studies on normal and dysfunctional characteristics of menstrual cycles are scarce in Ethiopia. In addition variability in menarcheal age and menstrual characteristics are common. Knowledge on this variability is necessary for patient education and to guide clinical evaluation...
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Formato: | Texto |
Lenguaje: | English |
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BioMed Central
2009
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2763859/ https://www.ncbi.nlm.nih.gov/pubmed/19804623 http://dx.doi.org/10.1186/1472-6874-9-29 |