TY - RPRT TI - A simple method for quantifying IgM of low molecular weight. AU - O Romero AU - C Yantorno AU - M Romero-Piffiguer PY - 1978 DO - 10.1016/0022-1759(78)90094-7 UR - https://pubmed.ncbi.nlm.nih.gov/102700/ ID - 102700 ER -