J. R. Colella

Studies on mechanisms of surface modifications in ram spermatozoa during the final stages of differentiation.

G. Fairbanks, J. Voglmayr, D. B. Vespa, 1982, Biology of reproduction.

Post-testicular developmental changes in the ram sperm cell surface and their relationship to luminal fluid proteins of the reproductive tract.

G. Fairbanks, J. Voglmayr, J. R. Colella, 1980, Biology of reproduction.

Dark-lumen MR colonography with fecal tagging: a comparison of water enema and air methods of colonic distension for detecting colonic neoplasms

Sonia Rodriguez Gomez, Mario Pagés Llinas, Antoni Castells Garangou, 2008, European Radiology.