DNA Constructs The basic vector used, pMVBgl, was previously described (Linney et al., 1987) and was originally derived from a retroviral vector constructed by others (Perkins et al., 1983
DNA ConstructsThe basic vector used, pMVBgl, was previously described (Linneyet al., 1987) and was originally derived from a retroviral vectorconstructed by others (Perkins et al., 1983