Effects of Oral Morphine on the Larvae, Pupae and Imago Development in Drosophila Melanogaster oleh Javad Fakhanik-Babaei, Masoomeh Kazemi, Homeira Zardooz, Mehrangiz Sadogi, Hedayat Sahraei, Sina Bahramyian, Leila Dehghani, Elaheh Tekieh