Non-Governmental Organizations and Rural Poverty AlleviationRoger C. Riddell, Mark Robinson, Ann Muir, Sarah White, John De Coninck · First published 1995Open the Tome
Diseases of the gastrontestinal tractAnatomic Pathology Slide Seminar, Roger C. Haggitt, Henry D. Appelman, Robert H. Riddell · First published 1991Open the Tome