TY - RPRT TI - A simple bioassay for epidermal growth factor using pig thyrocytes. AU - R A Metcalfe AU - S R Crosby AU - A White AU - L Hanford AU - S MacNeil PY - 1992 DO - 10.1677/joe.0.1340449 UR - https://pubmed.ncbi.nlm.nih.gov/1402552/ ID - 1402552 ER -