Tehran University of Medical Sciences Basic & Clinical Cancer Research 2228-6527 12 3 2021 02 15 Limitation of Experimental Research on Opium Consumption and Cancer Development in Human: Call for Establishment of an International Consortium 109 111 Kazem Zendehdel Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran, Iran 2021 01 25 # no abstract # no abstract # no abstract https://bccr.tums.ac.ir/index.php/bccrj/article/view/375