Risking the future. Vol. 1, Adolescent sexuality, pregnancy and childbearing / edit. Cheryl D. Hayes. -- Washington : National Academy Press, 1987. -- xiv, 337 s. -- ISBN 0-309-03698-4

1. správanie sexuálne - adolescent 2. gravidita - adolescent 3. pôrod - adolescent 4. adolescent 5. dospievanie pohlavné 6. hygiena

I. Hayes, Cheryl D.

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