Authors:
Durston, W
Carl, ML
Guerra, W
Eaton, A
Ackerson, L
Rieland, T
Schauer, B
Chisum, E
Harrison, MT
Navarro, ML
Citation: W. Durston et al., Comparison of quality and cost-effectiveness in the evaluation of symptomatic cholelithiasis with different approaches to ultrasound availability in the ED, AM J EMER M, 19(4), 2001, pp. 260-269
Citation: C. Aguilar et al., Evolution of air pollution and impact of control programs in three Megacities of Latin America - Reply, SALUD PUB M, 42(4), 2000, pp. 272-273