Dassanayake, S.U.B. and Fernandopulle, A.N.R., 2015. Oesophageal manometry and pH-impedance studies in gastro-oesophageal reflux disease. Sri Lanka Journal of Surgery, 33(1), pp.20–23. DOI: http://doi.org/10.4038/sljs.v33i1.8125

Dassanayake SUB, Fernandopulle ANR. Oesophageal manometry and pH-impedance studies in gastro-oesophageal reflux disease. Sri Lanka Journal of Surgery. 2015;33(1):20–3. DOI: http://doi.org/10.4038/sljs.v33i1.8125

Dassanayake, S. U. B., & Fernandopulle, A. N. R. (2015). Oesophageal manometry and pH-impedance studies in gastro-oesophageal reflux disease. Sri Lanka Journal of Surgery, 33(1), 20–23. DOI: http://doi.org/10.4038/sljs.v33i1.8125

Dassanayake SUB and Fernandopulle ANR, ‘Oesophageal Manometry and Ph-impedance Studies in Gastro-oesophageal Reflux Disease’ (2015) 33 Sri Lanka Journal of Surgery 20 DOI: http://doi.org/10.4038/sljs.v33i1.8125

Dassanayake, S.U.B., and A.N.R. Fernandopulle. 2015. “Oesophageal Manometry and Ph-impedance Studies in Gastro-oesophageal Reflux Disease”. Sri Lanka Journal of Surgery 33 (1): 20–23. DOI: http://doi.org/10.4038/sljs.v33i1.8125

Dassanayake, S.U.B., and A.N.R. Fernandopulle. “Oesophageal Manometry and Ph-impedance Studies in Gastro-oesophageal Reflux Disease”. Sri Lanka Journal of Surgery 33, no. 1 (2015): 20–23. DOI: http://doi.org/10.4038/sljs.v33i1.8125

Dassanayake, S. U. B.and A. N. R. Fernandopulle. “Oesophageal Manometry and Ph-impedance Studies in Gastro-oesophageal Reflux Disease”. Sri Lanka Journal of Surgery, vol. 33, no. 1, 2015, pp. 20–23. DOI: http://doi.org/10.4038/sljs.v33i1.8125