41. Most centres have gastroenterologists , oncologist or endocrinologists who deal with other diseases as well. 42. Dr . Naomi Nakao, a New York City gastroenterologist , said she knew this firsthand. 43. From your description, I would suggest your husband get a second opinion from a gastroenterologist . 44. From your description, I would suggest your husband get a second opinion for a gastroenterologist . 45. Colonoscopy is performed by a gastroenterologist or surgeon while laparoscopy is usually performed by a gynecologist. 46. People with such symptoms should first consult a general doctor, like an internist or gastroenterologist . 47. It may well be that John Jackson is the only gastroenterologist / music promoter in town. 48. Like the gastroenterologist , some think being in the same demanding field will help our marriage. 49. The gastroenterologist can excise a sample of any suspect tissue for biopsy or remove a polyp. 50. The gastroenterologists 'association, however, recommends periodic colonoscopy, a procedure performed by gastroenterologists.