title: The hidden culprit.
authors.affiliation: Department of Family Medicine, University of Mississippi School of Medicine, USA. AnthonyChen@yahoo.com
authors.forename: Anthony Y
authors.initials: AY
authors.lastname: Chen
mesh_terms: D000369:Aged, 80 and over; D000893:Anti-Inflammatory Agents / Q000627:therapeutic use; D019268:Antibodies, Antineutrophil Cytoplasmic / Q000097:blood; D003520:Cyclophosphamide / Q000627:therapeutic use; D005921:Glomerulonephritis / Q000209:etiology; D014890:Granulomatosis with Polyangiitis / Q000150:complications* / Q000175:diagnosis* / Q000188:drug therapy; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use; D008297:Male; D018908:Muscle Weakness / Q000209:etiology*; D011241:Prednisone / Q000627:therapeutic use
chemical_list: D000893:Anti-Inflammatory Agents; D019268:Antibodies, Antineutrophil Cytoplasmic; D007166:Immunosuppressive Agents; D003520:Cyclophosphamide; D011241:Prednisone