Thyroid Diseases oleh Noel Somasundaram, Henry Rajaratnam, Chandrika Wijeyarathne, Shamya De Silva, Channa Ratnathunga, Ranil Fernando, Sisira Siribaddana, Prasad Katulanda, Uditha Bulugahapitiya, Sajith Siyambalapitiya, Charles Antonypillai, Manilka Sumanathilake, Chaminda Garusinghe, Dimutha Muthukuda, MWS Niranjala, Muditha Weerakkody, Dharshini Karuppiah, Sivatharshya Pathmanathan, Sachith Abeyarathne, Shaminda Kahandawa, Samanthi Cooray, Kavinga Gunawardena, Nayananjani Karunasena