Ploeg, J., Feightner, J., Hutchison, B., Patterson, C., Sigouin, C., & Gauld, M. (2005). Effectiveness of preventive primary care outreach interventions aimed at older people: Meta-analysis of randomized controlled trials. College of Family Physicians of Canada.

Ploeg, Jenny, John Feightner, Brian Hutchison, Christopher Patterson, Christopher Sigouin, a Mary Gauld. Effectiveness of Preventive Primary Care Outreach Interventions Aimed At Older People: Meta-analysis of Randomized Controlled Trials. College of Family Physicians of Canada, 2005.

Ploeg, Jenny, et al. Effectiveness of Preventive Primary Care Outreach Interventions Aimed At Older People: Meta-analysis of Randomized Controlled Trials. College of Family Physicians of Canada, 2005.