Siribaddana, Sisira; Siriwardane, W.D.; Hewage, S.N.; Athukorale, A.D.M.D.; Sumathipala, A.; Hotopf, M.
(Cambridge University Press, 2006-12)
The Sri Lankan Twin Registry began as a volunteer register in 1997. Previously, we have shown door-to-door surveys as the best option to build a population-based twin register of older, adult twins. Our aim was to build a ...