Efficient in vitro and in vivo gene regulation of a retrovirally delivered pro-apoptotic factor under the control of the Drosophila HSP70 promoter. - Romano, G; Reiss, K; Tu, X; Peruzzi, F; Belletti, B; Wang, J Y; Zanocco-Marani, T; Baserga, R (Gene Therapy, 2001)