Cross-section illustration of the formation of acne in four steps. From left to right: normal hair follicle,clogged duct,bacterial infection,and ruptured follicle | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Shockey, Gwen |
Taille de l’image : | 4080 px × 2000 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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