H. A Ball, A Sumathipala, S. H Siribaddana, Y Kovas, N Glozier, P McGuffin and M. Hotopf
The British Journal of Psychiatry 195 ( 6 ): 504 - 509 , 2009
H. A Ball, A Sumathipala, S. H Siribaddana, Y Kovas, N Glozier, P McGuffin and M. Hotopf
The British Journal of Psychiatry 197 ( 2 ): 106 - 113 , 2010