R. Y. Garcia

Current practices of preoperative bowel preparation among North American colorectal surgeons.

Ruth S. Waterman, R. Waterman, R. Nichols, 1997, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Determination of surgeon-generated gown pressures during various surgical procedures in the operating room.

R. Nichols, J. Smith, J W Smith, 1995, American journal of infection control.