38 21. Reynolds EL, Wines JV. Individual differences in physical changes associated with adolescence in boys. Am J Dis Child. 1951 82:529–547 22. Schonfeld WA, Beebe GW. Normal growth and variation in the male genitalia from birth to maturity. J Urol. 1942 48:759–777 23. Harries ML, Walker JM, Williams DM, Hawkins S, Hughes IA. Changes in the male voice at puberty. Arch Dis Child. 1997 77:445–447 24. Smithard A, Glazebrook C, Williams HC. Acne prevalence, knowledge about acne and psychological morbidity in mid-adolescence: a community-based study. Br J Dermatol. 2001 145:274–279 References, continued 25. Burke BM, Cunliffe WJ. The assessment of acne vulgaris—the Leeds technique. Br J Dermatol. 1984 111:83–92 26. Largo RH, Prader A. Pubertal development in Swiss boys. Helv Paediatr Acta. 1983 38: 211–228 27. Mul D, Fredriks AM, van Buuren S, Oostdük W, Verloove-Vanhorick SP, Wit JM. Pubertal development in The Netherlands 1965–1997. Pediatr Res. 2001 50:479–486
Previous Page Next Page