TY - RPRT TI - Growth-modulating plasma tripeptide may function by facilitating copper uptake into cells. AU - L Pickart AU - J H Freedman AU - W J Loker AU - J Peisach AU - C M Perkins AU - R E Stenkamp AU - B Weinstein PY - 1980 DO - 10.1038/288715a0 UR - https://pubmed.ncbi.nlm.nih.gov/7453802/ ID - 7453802 ER -