title: Avascular necrosis and cortisone.
authors.forename: Z J
authors.initials: ZJ
authors.lastname: van Zyl
mesh_terms: D001249:Asthma / Q000188:drug therapy; D003348:Cortisone / Q000009:adverse effects*; D005271:Femur Head Necrosis / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D003348:Cortisone