Irawan, Yoseph, Wirasiti, NI, Suarni, Ni Made, AND Sukmaningsih, A.A.S.A. " Morphology and Spermatozoa X : Y Ratio of Mice (Mus musculus) Given Juwet Fruit Extract (Syzygium cumini) After Exposure to Cigarette Smoke" Metamorfosa: Journal of Biological Sciences [Online], Volume 10 Number 1 (3 April 2023)