Antioxidant and anti-caspase 3 effect of chitosan-Pinus merkusii extract nanoparticle against lead acetate-induced testicular toxicity in rat Journal title: Asian Pacific Journal of Reproduction Authors: Sri Agus Sudjarwo, Chairul Anwar, Giftania Wardani, Koerniasari Eraiko Subject(s): Medicine, Internal Medicine, Reproductive and Sexual Medicine