PMC:4137988 / 48510-48662 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/4137988","sourcedb":"PMC","sourceid":"4137988","source_url":"https://www.ncbi.nlm.nih.gov/pmc/4137988","text":"Maternal age; education; maternal history of asthma; smoking during pregnancy; parity; duration of breastfeeding; child’s age at assessment; child’s sex","tracks":[]}