PMC:4137988 / 39733-39852
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/4137988","sourcedb":"PMC","sourceid":"4137988","source_url":"https://www.ncbi.nlm.nih.gov/pmc/4137988","text":"The first six studies were included in meta-analysis because all examined ever or current asthma as the primary outcome","tracks":[]}