Economic Impact of Dengue Illness and the Cost-Effectiveness of Future Vaccination Programs in Singapore. - Carrasco, Luis R.; Lee, Linda K.; Lee, Vernon J.; Ooi, Eng Eong; Shepard, Donald S.; Thein, Tun L.; Gan, Victor; Cook, Alex R.; Lye, David; Ng, Lee Ching; Leo, Yee Sin (PLoS Neglected Tropical Diseases, 2011)