TY - RPRT TI - Chalone-like inhibition of Ehrlich ascites cell proliferation in vitro by an ultrafiltrate obtained from the ascitic fluid. AU - W Lehmann AU - H Graetz AU - M Schütt AU - P Langen PY - 1977 UR - https://pubmed.ncbi.nlm.nih.gov/148196/ ID - 148196 ER -