TY - RPRT TI - A serum macromolecule-supplemented medium for frog cell lines. AU - L E Sooy AU - L Mezger-Freed PY - 1970 DO - 10.1016/0014-4827(70)90552-5 UR - https://pubmed.ncbi.nlm.nih.gov/5463642/ ID - 5463642 ER -