Article
Two subphenotypes of childhood asthma that differ in maternal and paternal influences on asthma risk.
American journal of respiratory and critical care medicine - 1 Aug 1999
Halonen M, Stern D A, Lohman C, Wright A L, Brown M A, Martinez F D
Abstract excerpt
Asthma is a phenotypically heterogeneous disease. Two subgroups are defined here based initially on skin test reactivity to the allergen Alternaria at age 6 from among a large population of children born and raised in the Southwestern desert environment of Tucson, Arizona. When compared with asthma among Alternaria-positive subjects, asthma among Alternaria-negative subjects was associated with lower levels of...
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