title: Tough as nails.
authors.affiliation: Tri-City Gastroenterology Medical Group, Inc., North County Gastroenterology Medical Group, Inc., Oceanside, California, USA.
authors.forename: T C
authors.initials: TC
authors.lastname: Krol
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002432:Cecum; D005547:Foreign Bodies / Q000175:diagnosis / Q000628:therapy*; D006801:Humans; D008297:Male