Social fears and social phobia in a community sample of adolescents and young adults: Prevalence, risk factors and co-morbidity
Psychological Medicine
http://www.ncbi.nlm.nih.gov/pubmed/?term=Social%20fears%20and%20social%20phobia%20in%20a%20community%20sample%20of%20adolescents%20and%20young%20adults%3A%20Prevalence%2C%20risk%20factors%20and%20co-morbidity.