1. A test for concentration of electrolytes in sweat in cystic fibrosis of the pancreas utilizing pilocarpine by iontophoresis;Gibson;Pediatrics,1959
2. Pilocarpine iontophoresis sweat testing results of seven years' experience;Shwachman;Mod Probl Pediatr,1967
3. Pilocarpine iontophoresis sweat testing results of seven years' experience;Shwachman;Mod Probl Pediatr,1967
4. The sweat test: Sodium and chloride values;Shwachman;J Pediatr,1981
5. Cystic fibrosis: Problems encountered with sweat testing;Rosenstein;JAMA,1978