TY - RPRT TI - Improved recognition and quantitation technique for oncornaviruses. AU - R Stephens AU - K Traul AU - D Woolf AU - G Lowry AU - J Lelek PY - 1975 DO - 10.1128/jcm.1.2.225-233.1975 UR - https://pubmed.ncbi.nlm.nih.gov/51856/ ID - 51856 ER -