[Study on changes experienced by the epithelial barrier of Polak in different pathological processes].
D004848:Epithelium / Q000502:physiology*; D006801:Humans; D009369:Neoplasms / Q000209:etiology*; D012878:Skin Neoplasms / Q000209:etiology*
EPITHELIUM/physiology; NEOPLASMS/etiology; SKIN NEOPLASMS/etiology