Maryam Yousaf, Naveed Shahzad, Zeeshan Mutahir and Moazzam Ali, 2020. Rab21, an Endocytic Rab GTPase, is Involved in Drug Resistance in Prostate Cancer Cells. Pakistan J. Zool., 52: 2153-2159. DOI: https://dx.doi.org/10.17582/journal.pjz/20200119170115