Growth Hormone Is Secreted by Normal Breast Epithelium upon Progesterone Stimulation and Increases Proliferation of Stem/Progenitor Cells oleh Sara Lombardi, Gabriella Honeth, Christophe Ginestier, Ireneusz Shinomiya, Rebecca Marlow, Bharath Buchupalli, Patrycja Gazinska, John Brown, Steven Catchpole, Suling Liu, Ariel Barkan, Max Wicha, Anand Purushotham, Joy Burchell, Sarah Pinder, Gabriela Dontu