TY - RPRT TI - Cellular immunity and blocking serum activity in chimeric mice. AU - I Hellström AU - K E Hellström AU - J J Trentin PY - 1973 DO - 10.1016/0008-8749(73)90183-4 UR - https://pubmed.ncbi.nlm.nih.gov/4144408/ ID - 4144408 ER -