1. Laboratory measurement of nutrition in cystic fibrosis;Kelleher, J.;J R Soc Med,1987
2. Walker BE, Kelleher J, Davies T, Losowsky MS. Chemical faecal fat using single stools. Scand J Gastroenterol 1971; 6: 277-80.
3. Use of non-absorbable markers in studies of human nutrient absorption;Morgan, J.B.;Hum Nutr Appl Nutr,1986
4. Radioopaque pellets as faecal markers for faecal fat estimation in malabsorption;Simpson, F.G.; Hall, G.P.; Kelleher, J.; Losowsky, M.S.;Gut,1979
5. Measurements of the mean transit time of dietary residue through the human gut;Cummings, J.H.; Jenkins, D.J.A.; Wiggins, H.S.;Gut,1976