Acute Hemorrhagic Conjunctivitis Outbreak Caused by Coxsackievirus A24 -- Puerto Rico, 2003. - Alonso-Echanove, J.; Garcí-Guadalupe, Y.; Rullán, J.; Pallansch, M. A.; Alvarado-Ramy, F.; Cauthen, B. (MMWR: Morbidity & Mortality Weekly Report, 2004)