Manometric investigation of anorectal function in early and late stage Parkinson's disease
Gabrio Bassotti, Dario Maggio, Edda Battaglia, Ornella Giulietti, Fabrizio Spinozzi, Gianpaolo Reboldi, Anna Maria Serra, Giorgio Emanuelli, Giuseppe Chiarioni
Journal of Neurology, Neurosurgery & Psychiatry Jun 2000, 68 (6) 768-770; DOI: 10.1136/jnnp.68.6.768