Citation | Hartady T, Maharani B, Khairani S, Syamsunarno MRAA, Sarniem BC (2025). Histopathological studies of the heart in male rats (Rattus norvegicus) exposed to tobacco and electronic cigarettes smoke: Effect of animals as passive smokers. Adv. Anim. Vet. Sci. 13(6): 1236-1243. DOI | https://dx.doi.org/10.17582/journal.aavs/2025/13.6.1236.1243