SHUKLA, SUDHIR; KHANNA, K R; SINGH, S P. Genetics of morphinane alkaloids in opium poppy (Papaver somniferum). The Indian Journal of Agricultural Sciences, Delhi, India, v. 64, n. 7, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/29316. Acesso em: 23 oct. 2025.