TY - RPRT TI - Macroglobulin structure: variable sequence of light and heavy chains. AU - H Kohler AU - A Shimizu AU - C Paul AU - F W Putnam PY - 1970 DO - 10.1126/science.169.3940.56 UR - https://pubmed.ncbi.nlm.nih.gov/5447531/ ID - 5447531 ER -