Gershon, Michael D. The second brain : the scientific basis of gut instinct and a groundbreaking new understanding of nervous disorders of the stomach and intestine / Michael D. Gershon. - 1st ed. - New York, NY : HarperCollinsPublishers, 1998. - xvi, 314 p. : ill. ISBN: 0060182520 Subjects--Topical Terms: Gastrointestinal system--InnervationAutonomic gangliaGastrointestinal system--Diseases--Psychosomatic aspectsIrritable colon--Psychosomatic aspects