TY - RPRT TI - Thymus-marrow cell interaction evaluated by PHA stimulation and graft versus host activity. AU - G Tridente AU - G Biasi AU - L Chieco-Bianchi AU - L Fiore-Donati PY - 1971 DO - 10.1038/234105a0 UR - https://pubmed.ncbi.nlm.nih.gov/4399663/ ID - 4399663 ER -