Poverty-associated risk factors for wheezing in the first year of life in Honduras and El Salvador.
Bueso
A
A
Pulmonology and Allergy Centre, San Pedro Sula, Honduras.
Figueroa
M
M
Cousin
L
L
Hoyos
W
W
Martínez-Torres
A E
AE
Mallol
J
J
Garcia-Marcos
L
L