Olds, D. L., Holmberg, J. R., Donelan-McCall, N., Luckey, D. W., Knudtson, M. D., & Robinson, J. (2014). Effects of home visits by paraprofessionals and by nurses on children follow-up of a randomized trial at ages 6 and 9 years. JAMA Pediatrics, 168(2), 114-121.