1. The intestinal absorption of some essential and nonessential amino acids in fed and fasting rats;Levin, R.J.;Life Sci,1970
2. Effects of fasting and semistarvation on the kinetics of active and passive sugar absorption across the small intestine in vivo;Debnam, E.S.; Levin, R.J.;J Physiol Lond,1975
3. Intestinal adaptations to fasting - use of corrected kinetic parameters to assess responses of jejunal and ileal absorption in vivo;Levin, R.J.; Mitchell, M.A.,1982
4. Intestinal adaptation to dietary change as exemplified by dietary restriction studies;Levin, R.J.,1984
5. The effect of fasting on the potential difference across the brush-border membrane of enterocytes in rat small intestine;Debnam, E.S.; Thompson, C.S.;J Physiol Lond,1984