Functional gastrointestinal diseases and psychological maladjustment, personality traits and quality of life by Nishadi Ranasinghe, Niranga Manjuri Devanarayana, Shaman Rajindrajith, Madusanka S. Perera, Samudu Nishanthinie, Tania Warnakulasuriya, Piyanjali Thamesha de Zoysa

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