id	domain	url
commonwealth-186	dx.doi.org	http://dx.doi.org/10.15367/com.v20i2-3.186
commonwealth-186	www.cdc.gov	https://www.cdc.gov/drugoverdose
commonwealth-186	www.phc4.org	http://www.phc4.org/reports/researchbriefs
commonwealth-186	www.phc4.org	http://www.phc4.org/reports/researchbriefs/neonatal/092716/