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(2007) Effects of Papaver rhoeas extract on the development and expression of tolerance to morphine-induced locomotor activity in mice. Pharmaceutical Biology. pp. 475-480. ISSN 1388-0209

(2006) Effects of Papaver rhoeas L. extract on the expression and development of morphine-induced conditioned place preference in mice. Journal of Medicinal Plants. 51-58+59. ISSN 16840240 (ISSN)

(2006) Effects of Papaver rhoeas extract on the acquisition and expression of morphine-induced behavioral sensitization in mice. Phytotherapy Research. pp. 737-741. ISSN 0951-418X

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