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Human breast cancer cell lines, as well as human breast cancer biopsies, possess specific high-affinity epidermal growth factor receptors (EGF-r). However, reports on the presence of EGF-r in human(More)
Estrogen (ER) and progesterone receptors (PgR) appear to be a prerequisite to elicit a biologic response by a hormone-target organ. Current methodologies for analysis of these proteins (e.g.,(More)