Early life events in functional abdominal pain disorders in children. by Amaranath Karunanayake, Niranga Manjuri Devanarayana, Shaman Rajindrajith

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Gastric motility and pulmonary function in children with functional abdominal pain disorders and asthma: A pathophysiological study. by Manori Vijaya Kumari, Lakmali Amarasiri, Shaman Rajindrajith, Niranga Manjuri Devanarayana

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The association between symptoms of gastroesophageal reflux disease and perceived stress: A countrywide study of Sri Lanka. by Nilanka Wickramasinghe, Ahthavann Thuraisingham, Achini Jayalath, Dakshitha Wickramasinghe, Nandadeva Samarasekara, Etsuro Yazaki, Niranga Manjuri Devanarayana

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Functional constipation in infancy and early childhood: epidemiology, risk factors, and healthcare consultation by Anne Willemijn Walter, Anne Hovenkamp, Niranga Manjuri Devanarayana, Roshani Solanga, Shaman Rajindrajith, Marc Alexander Benninga

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Gastroesophageal reflux disease in Sri Lanka: An island-wide epidemiological survey assessing the prevalence and associated factors. by Nilanka Wickramasinghe, Ahthavann Thuraisingham, Achini Jayalath, Dakshitha Wickramasinghe, Dharmabandhu N Samarasekera, Etsuro Yazaki, Niranga Manjuri Devanarayana

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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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Exploring the impact of occupational exposure: A study on cardiovascular autonomic functions of male gas station attendants in Sri Lanka by Tania Warnakulasuriya, Kushan Medagoda, Dulani Kottahachchi, Dunya Luke, Dilesha Wadasinghe, Prasanna Rathnayake, Janaki Ariyawansa, Tharuka Dissanayake, Pavani Sandeepani, Deepthi C. De Silva, Niranga Manjuri Devanarayana

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