title: Cement burns resulting in necrotic ulcers due to kneeling on wet cement.
mesh_terms: D002057:Burns, Chemical / Q000209:etiology*; D003252:Construction Materials / Q000009:adverse effects*; D006801:Humans; D007718:Knee Injuries / Q000139:chemically induced*; D007866:Leg / Q000473:pathology; D007871:Leg Ulcer / Q000139:chemically induced* / Q000473:pathology; D008297:Male; D009336:Necrosis