Platelets >= 100,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 70,000 cells/mm^3, within 21 days prior to study entryXx_NEWLINE_xXPlatelets >= 60,000 cells/mm^3; obtained within 14 days prior to study entryXx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3 obtained within 30 days prior to registrationXx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3 within 14 days prior to study registrationXx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3, within 21 days prior to registrationXx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 50,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 50,000 cells/mm^3Xx_NEWLINE_xXPlatelets >= 100,000 cells/mm^3Xx_NEWLINE_xX