1. New techniques for speeding small intestinal biopsy;Evans, N.; Farrow, L.J.; Harding, A.; Stewart, J.S.;Gut,1970
2. Use of Odman-Ledin catheter and Seldinger wire with Crosby capsule;Fric, P.; Lepsik, J.;Gut,1965
3. Crosby small intestinal capsule with radio-opaque tube and latex sheath;Salem, S.N.; Salt, R.H.; Truelove, S.C.;Gut,1965