title: Monoclonal gammopathy of undetermined significance (MGUS), IgG subclass deficiency and long-term steroid therapy: unravelling the Gordian knot.
authors.forename: T G
authors.initials: TG
authors.lastname: Phan
authors.forename: S
authors.initials: S
authors.lastname: Adelstein
mesh_terms: D000305:Adrenal Cortex Hormones / Q000009:adverse effects*; D000368:Aged; D006801:Humans; D017099:IgG Deficiency / Q000209:etiology*; D008297:Male; D010265:Paraproteinemias / Q000150:complications*; D011111:Polymyalgia Rheumatica / Q000150:complications / Q000188:drug therapy
chemical_list: D000305:Adrenal Cortex Hormones