Intragastric balloon treatment of obesity must be combined with bariatric surgery: A pilot study in Turkey - SARUÇ, Murat; BÖLER, Deniz; KARAARSLAN, Mehmet; BAYSAL, Çağlar; RASA, Kemal; ÇAKMAKÇI, Metin; URAS, Cihan; TÖZÜN, Nurdan (Turkish Journal of Gastroenterology, 2010)