“DNA Fragmentation and Vitamin K2 Levels in Sperm Maturation and Apoptosis: Fragmentasi DNA Dan Tingkat Vitamin K2 Dalam Pematangan Sperma Dan Apoptosis”. 2025. Indonesian Journal on Health Science and Medicine 2 (1): 10.21070/ijhsm.v2i2.117 . https://doi.org/10.21070/ijhsm.v2i2.117.