This volume contains those papers which were presented at the Second International Symposium on Oxygen Transport to Tissue, to- gether with the discussions which followed. These discussions were generously summarized by the chairmen of the various sessions. This symposium in Mainz was the third international meeting, after those held in Dortmund in 1971 and Charleston-Clemson in 1973, which dealt primarily with problems relating to oxygen transport to tissue under physiological and pathophysiological conditions. It was the second symposium conducted by the International Society on Oxygen...