Nunez R M, Dugue J, Henriquez C W, Villegas A L, Niño J U, De Gonzales B
Department of Pediatrics, Rafael Henao Toro Red Cross Children's Hospital of Caldas University, Colombia.
Pediatr Infect Dis J. 1988 Jan;7(1):69-70. doi: 10.1097/00006454-198801000-00016.