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- Book[by] Marjorie A.C. Young.Contents:
[1] What people know, believe, and do about health.
[4] Patient education.
[6] School health education.Access via Health education monographs ; 1967; 1(23)LocationVersionCall NumberItems - ArticleClavert A, Brun B, Bollecker G.C R Seances Soc Biol Fil. 1975;169(5):1281-4.The comparative study of morphological anomalies of spermatozoon before and after penetration shows that in vivo or in vitro migration causes a selection of the spermatozoon. This selection is not complete. Anomalies of the midpiece or of the flagella inhibe the spermatozoon progression but morphological anomalies of the head are not a handicap for the migration. this observation seems to indicate that spermatozoa with chromosomic failures can paticipate to the fertilization.