TY - RPRT TI - Cell surface changes in preneoplastic and neoplastic epithelium. AU - B F Trump AU - B M Heatfield AU - P C Phelps AU - H Sanefuji AU - A K Shamsuddin PY - 1980 UR - https://pubmed.ncbi.nlm.nih.gov/6997985/ ID - 6997985 ER -