TY - RPRT TI - Rosette-forming cells, immunologic deficiency diseases and transfer factor. AU - J Wybran AU - A S Levin AU - L E Spitler AU - H H Fudenberg PY - 1973 DO - 10.1056/nejm197304052881405 UR - https://pubmed.ncbi.nlm.nih.gov/4540063/ ID - 4540063 ER -