TY - RPRT TI - Murine sarcoma virus: titration patterns and interference by a murine leukemia virus. AU - K D Somers AU - W H Kirsten PY - 1969 DO - 10.1002/ijc.2910040516 UR - https://pubmed.ncbi.nlm.nih.gov/4310643/ ID - 4310643 ER -