In vitro results from a phase I randomized, blinded trial of pegylated megakaryocyte growth and development factor (PEG-rHuMGDF) - Rasko, J EJ; Basser, R; O’Malley, C J; Mansfield, R; Boyd, J; Grigg, A; McGrath, K; Marty, J; Sheridan, W P; Hussein, S; Bemdt, M C; Begley, C G (Blood, 1995)