Hill, R. M., Pettit, J. W., Lewinsohn, P. M., Seeley, J. R., & Klein, D. N. (2014). Escalation to Major Depressive Disorder among Adolescents with Subthreshold Depressive Symptoms: Evidence of Distinct Subgroups at Risk.

Hill, Ryan M., Jeremy W. Pettit, Peter M. Lewinsohn, John R. Seeley, i Daniel N. Klein. Escalation to Major Depressive Disorder Among Adolescents With Subthreshold Depressive Symptoms: Evidence of Distinct Subgroups At Risk. 2014.

Hill, Ryan M., et al. Escalation to Major Depressive Disorder Among Adolescents With Subthreshold Depressive Symptoms: Evidence of Distinct Subgroups At Risk. 2014.