6Webster GF.Inflammatory acne represents hypersensitivity to Propi-onibacterium acnes[J].Dermatology,1998,196:80-81.
7Burkhart CG,Cantrill J,Butcher CL,et al.Propionibacterium ac-nes:interaction with complement and development of an enzyme-linked immunoassay for the detection of antibody[J].Int J Dermatol,1999,38:200-203.
8Leyden JJ,McGinley KJ,Vowels B.Propionibacterium acnes colo-nization in acne and nonacne[J].Dermatology,1998,196:55-58.
10Ridden J,Ferguson D,Kealey T.Organ maintenance of human se-baceous glands:In vitro effects of 13-cis-retinoic acid and testos-terone[J].J Cell Sci,1990,95:125-136.
4Hatta N, Dixon C, Ray A J, et al. Expression, candidate gene, and population studies of the melanocortin 5 receptor. J Invest Dermatol,2001, 116:564 - 570.?A
5Schafer T, Nienhaus A, Vieluf D, et al. Epidemiology of acne in the general population: the risk of smoking. Br J Dermatol, 2001, 145:100 - 104.
6Bataille V, Snieder H, MacGregor AJ,et al. The influence of genetics and environmental factors in the pathogenesis of acne : a twin study of acne in women. J Invest Dermatol, 2002, 119:1317 -1322.
7Walton S, Wyatt EH, Cunliffe WJ. Genetic control of sebum excretion and acne-a twin study. Br J Dermatol, 1988, 118:393 -396.
8Goulden V, McGeown CH, Cunliffe WJ. The familial risk of adult acne: a comparison between first-degree relatives of affected and unaffected individuals. Br J Dermatol, 1999, 141:297 -300.
9Freyre EA, Rebaza RM, Sami DA, et al. The prevalence of facial acne in Peruvian adolescents and its relation to their ethnicity. J Adolesc Health, 1998, 22:480 -484.
10Taylor SC, Cook-Bolden F, Rahman Z,et al. Acne vulgaris in skin of color. J Am Acad Dermatol, 2002, 46 : S98 - S106.