title: Congenital toxoplasmosis: variability in the IgM-fluorescent antibody response and some pitfalls in diagnosis.
mesh_terms: D003951:Diagnostic Errors; D005069:Evaluation Studies as Topic; D005189:False Positive Reactions; D005455:Fluorescent Antibody Technique / Q000592:standards*; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D007223:Infant; D007231:Infant, Newborn; D011446:Prospective Studies; D014125:Toxoplasmosis, Congenital / Q000175:diagnosis*
chemical_list: D007075:Immunoglobulin M