Original Paper THE INFLUENCE OF CANNABINOID RECEPTOR ANTAGONIST AM281 ON PARACETAMOL EFFECT IN THE WRITHING TEST IN MICE H. Păunescu 1, Oana Andreia Coman 1, L. Coman 2, F. Drăghia 3, Cristina Muşa 4, Isabel Ghiţă 1, I. Fulga 11 June 1, 2011