Venugopalan, V. V., Casey, K. F., O'Hara, C., O'Loughlin, J., Benkelfat, C., Fellows, L. K., & Leyton, M. (2011). Acute Phenylalanine/Tyrosine Depletion Reduces Motivation to Smoke Cigarettes Across Stages of Addiction. Nature Publishing Group.

Venugopalan, Viswanath V., Kevin F. Casey, Caitlin O'Hara, Jennifer O'Loughlin, Chawki Benkelfat, Lesley K. Fellows, و Marco Leyton. Acute Phenylalanine/Tyrosine Depletion Reduces Motivation to Smoke Cigarettes Across Stages of Addiction. Nature Publishing Group, 2011.

Venugopalan, Viswanath V., et al. Acute Phenylalanine/Tyrosine Depletion Reduces Motivation to Smoke Cigarettes Across Stages of Addiction. Nature Publishing Group, 2011.