Psychiatry Research
Volume 119, Issue 3 , Pages 199-204, 1 August 2003

Serum tryptophan ratio and suicidal behavior in adolescents: a prospective study

Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, 3811 O'Hara Street, Pittsburgh, PA 15213, USA

Received 22 August 2002; received in revised form 5 February 2003; accepted 26 April 2003.

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PII: S0165-1781(03)00104-5

doi:10.1016/S0165-1781(03)00104-5

Psychiatry Research
Volume 119, Issue 3 , Pages 199-204, 1 August 2003