Parent involvement, sibling companionship, and adolescent substance use: A longitudinal, genetically informed design
Journal of Family Psychology (2015) - Comment
pubmed: 26030026  doi: 10.1037/fam0000097  issn: 1939-1293  issn: 0893-3200 

Diana R. Samek, Martha A. Rueter, Margaret A. Keyes, Matt McGue, William G. Iacono