Schroeder, S. R., Rojahn, J., An, X., Mayo-Ortega, L., Oyama-Ganiko, R., & LeBlanc, J. (2013). The Parental Concerns Questionnaire: A Brief Screening Instrument for Potentially Severe Behavior Problems in Infants and Toddlers At-Risk for Developmental Delays.

Schroeder, Stephen R., Johannes Rojahn, Xiaozhu An, Liliana Mayo-Ortega, Rosao Oyama-Ganiko, and Judith LeBlanc. The Parental Concerns Questionnaire: A Brief Screening Instrument for Potentially Severe Behavior Problems in Infants and Toddlers At-Risk for Developmental Delays. 2013.

Schroeder, Stephen R., et al. The Parental Concerns Questionnaire: A Brief Screening Instrument for Potentially Severe Behavior Problems in Infants and Toddlers At-Risk for Developmental Delays. 2013.