title: Grade 1 pressure ulcers: we only see what we know.
authors.forename: Richard
authors.initials: R
authors.lastname: Salcido
mesh_terms: D003937:Diagnosis, Differential; D004890:Erythema / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D003668:Pressure Ulcer / Q000145:classification / Q000175:diagnosis* / Q000473:pathology; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index