1. On the trail of ancient opium poppy;Merlin,1984
2. Pain, immunity, opiate and opioid compounds and health;Stefano;Med Sci Monit,2005
3. Tyrosine and tyramine increase endogenous ganglionic morphine and dopamine levels in vitro and in vivo: CYP2D6 and tyrosine hydroxylase modulation demonstrates a dopamine coupling;Zhu;Med Sci Monit,2005
4. Human white blood cells synthesize morphine: CYP2D6 modulation;Zhu;J Immunol,2005
5. Morphine affects the proliferation of tumour cells;Olsen;Ugeskr Laeger,2004