D Thambavita, T C M Jayathilake, K D D Sandamali, P Galappatthy, R L Jayakody, In vitro dissolution testing to assess pharmaceutical equivalence of selected amoxicillin products available in Sri Lanka: a post marketing study, Journal of Dissolution Technologies, 2019; dx.doi.org/10.14227/DT260119P56.
Thambavita D, Galappatthy P, Jayakody RL, Regulatory requirements for the approval of generic drugs and compilation of drug dossiers: Procedures in Sri Lanka in comparison with selected regulatory authorities. Journal of Pharmaceutical Policy and Practice. 2018; 11:14 https://doi.org/10.1186/s40545-018-0141-2.
Dhanusha Thambavita, Sanjeewani Fernando, Privadarshani Galappatthy, Raveendra Jayakody. Application of Biowaiver Methodology for a Post-Marketing Study of Generic and Brand Name Metronidazole Tablets. The Journal of Dissolution Technologies. 2018; dx.doi.org/10.14227/DT250218P34.
Dhanusha Thambavita, Priyadarshani Galappatthy, Uthpali Mannapperuma, Laal Jayakody, Rodrigo Cristofoletti, Bertil Abrahamsson, Dirk W. Groot, Peter Langguth, Mehul Mehta,Alan Parr, James E. Polli, Vinod P. Shah, Jennifer Dressman.Biowaiver Monograph for Immediate-Release Solid Oral Dosage Forms: Amoxicillin Trihydrate. Journal of Pharmaceutical Sciences 2017; 106: 2930-2945 DOI: http://dx.doi.org/10.1016/j.xphs.2017.04.068.
U Mannapperuma , C M Peiris, D Thambavita, P Galappatthy, C D Pathiranage, A Lionel, R L Jayakody Validation of a flame photometric method for serum lithium estimation. Ceylon Journal of Medical Sciences. 2017; 54(2): 17-23. DOI: http://doi.org/10.4038/cjms.v54i2.4824.
Rathnayake A., Mannnapperuma U., Thambavita D., Herath K., Galappaththy P. and Jayakody R., Determination of In-vitro Equivalence of Paracetamol Tablets, International Journal of Multidisciplinary Studies (IJMS), 1(75) 2014.