Summer birth and deficit schizophrenia: a pooled analysis from 6 countries.
Messias E, Kirkpatrick B, Bromet E, Ross D, Buchanan RW, Carpenter WT, Tek C, Kendler KS, Walsh D, Dollfus S. Summer birth and deficit schizophrenia: a pooled analysis from 6 countries. Arch Gen Psychiatry. 2004 Oct; 61(10):985-9.