Secular shift in menarcheal age of Patiala (India) schoolgirls between 1974 and 1986

Author: Singh S.P.   Malhotra P.  

Publisher: Informa Healthcare

ISSN: 1464-5033

Source: Annals of Human Biology, Vol.15, Iss.1, 1988-02, pp. : 77-80

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Abstract