S93-45375 (29 Sept 1993) --- Astronaut David A. Wolf, STS-58 mission specialist, has blood drawn from his leg for volume measuring. The blood draw was part of the cardiovascular function data collection in preparation for the Spacelab Life Sciences (SLS-2) mission. The seven Spacelab Life Sciences crewmembers devoted a full day to miscellaneous biomedical data collection in preparation for next month's two week mission aboard Columbia.