Alharbi, M., Almarzouq, A. . and Zini, A. . (2020) “Sperm retrieval and intracytoplasmic sperm injection outcomes with testicular sperm aspiration in men with severe oligozoospermia and cryptozoospermia”, Canadian Urological Association Journal, 15(5), pp. E272–5. doi: 10.5489/cuaj.6798.