Risk factors for asthma and allergy associated with urban migration: background and methodology of a cross-sectional study in Afro-Ecuadorian school children in Northeastern Ecuador (Esmeraldas-SCAALA Study)
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* Corresponding author: Philip J Cooper pcooper@ecnet.ec
BMC Pulmonary Medicine 2006, 6:24 doi:10.1186/1471-2466-6-24
Pre-publication versions of this article and reviewers' reports
| Original Submission - Version 1 | Manuscript | 18 Aug 2006 | |
| Editor's comment | Editor's comment | 08 Sep 2006 | |
| Editorial acceptance | 08 Sep 2006 | ||
| Published | 13 Sep 2006 |