J E Sifontes. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Asthma/epidemiologyChildChild, PreschoolFemaleHumansInfantMalePuerto Rico
Year: 1976 PMID: 1071570
Source DB: PubMed Journal: Bol Asoc Med P R ISSN: 0004-4849