Walker, A. R., Walker, B. F., & Walker, A. J. (1986). Faecal pH, dietary fibre intake, and proneness to colon cancer in four South African populations. Nature Publishing Group.
Dyfyniad Arddull ChicagoWalker, A. R., B. F. Walker, and A. J. Walker. Faecal PH, Dietary Fibre Intake, and Proneness to Colon Cancer in Four South African Populations. Nature Publishing Group, 1986.
Dyfyniad MLAWalker, A. R., B. F. Walker, and A. J. Walker. Faecal PH, Dietary Fibre Intake, and Proneness to Colon Cancer in Four South African Populations. Nature Publishing Group, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.