title: A case of serum IgM deficiency in an area of high endemicity of malaria (Northern Nigeria).
mesh_terms: D004196:Disease Outbreaks / Q000453:epidemiology; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis / Q000172:deficiency*; D008288:Malaria / Q000453:epidemiology / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D009549:Nigeria
chemical_list: D007075:Immunoglobulin M