TY - RPRT TI - Recombinant retroviruses encoding cell surface antigens as selectable markers. AU - R K Strair AU - M J Towle AU - B R Smith PY - 1988 DO - 10.1128/jvi.62.12.4756-4759.1988 UR - https://pubmed.ncbi.nlm.nih.gov/3054154/ ID - 3054154 ER -