TY - RPRT TI - A HeLa cell clonal line lacking alkaline phosphatase activity. AU - P FORTELIUS AU - E SAKSELA AU - E SAXEN PY - 1960 DO - 10.1016/0014-4827(60)90296-2 UR - https://pubmed.ncbi.nlm.nih.gov/13700894/ ID - 13700894 ER -