2018-04-172018-04-171974-02-19http://hdl.handle.net/2152.3/8101Graphs of biomedical data for Skylab crew members labeled Skylab Crew Health Trend-Hemoglobin Pre & Postflight Lab Analysis.Skylab Crew Health Trend-HemoglobinLab Analysispreflightpost flightDr. Charles BerrySkylab 2Skylab 3Skylab 4crew membersbiomedical dataSkylab Crew Health Trend-Hemoglobin Pre & Postflight Lab Analysis Feb 19, 1974