Preliminary Screening of Selected Phytochemicals and Analysis of Essential Trace Elements in Boswellia serrata Roxb, Prosopis africana and Sclerocarya birrea: Plants with Therapeutic Potentials to Treat Hemorrhoids. Journal of Pure & Applied Sciences , [S. l.], v. 18, n. 2, 2019. DOI: 10.51984/jopas.v18i2.275. Disponível em: https://sebhau.edu.ly/journal/jopas/article/view/275. Acesso em: 29 jan. 2026.