Steele, R. H., & Szent-Györgyi, A. (1957). ON EXCITATION OF BIOLOGICAL SUBSTANCES. Proc Natl Acad Sci U S A.
Dyfyniad Arddull ChicagoSteele, Richard H., and Albert Szent-Györgyi. "ON EXCITATION OF BIOLOGICAL SUBSTANCES." Proc Natl Acad Sci U S A 1957.
Dyfyniad MLASteele, Richard H., and Albert Szent-Györgyi. "ON EXCITATION OF BIOLOGICAL SUBSTANCES." Proc Natl Acad Sci U S A 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.