Newsom, C., Schut, H., Stroebe, M. S., Wilson, S., & Birrell, J. (2016). Initial Validation of a Comprehensive Assessment Instrument for Bereavement-Related Grief Symptoms and Risk of Complications: The Indicator of Bereavement Adaptation—Cruse Scotland (IBACS). PLoS One.

Newsom, Catherine, Henk Schut, Margaret S. Stroebe, Stewart Wilson, and John Birrell. "Initial Validation of a Comprehensive Assessment Instrument for Bereavement-Related Grief Symptoms and Risk of Complications: The Indicator of Bereavement Adaptation—Cruse Scotland (IBACS)." PLoS One 2016.

Newsom, Catherine, et al. "Initial Validation of a Comprehensive Assessment Instrument for Bereavement-Related Grief Symptoms and Risk of Complications: The Indicator of Bereavement Adaptation—Cruse Scotland (IBACS)." PLoS One 2016.