TY - RPRT TI - IgG, IgA and IgM concentration in human sera from different age groups: statistical evaluation. AU - L Quintiliani AU - F Taggi AU - E Giuliani AU - A Buzzonetti AU - F D'Amico PY - 1976 UR - https://pubmed.ncbi.nlm.nih.gov/1016575/ ID - 1016575 ER -