title: Triggering factors.
authors.affiliation: Department of Dermatology, Tohoku University School of Medicine, Sendai, Japan.
authors.forename: H
authors.initials: H
authors.lastname: Tagami
mesh_terms: D000437:Alcoholism / Q000150:complications; D001424:Bacterial Infections / Q000150:complications / Q000382:microbiology; D064420:Drug-Related Side Effects and Adverse Reactions; D004781:Environmental Exposure / Q000009:adverse effects; D005260:Female; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male; D011565:Psoriasis / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D014947:Wounds and Injuries / Q000150:complications