Marciano MAM, Silva RA, Barbosa ML, Ferreira ARS, Pereira-Chioccola VL. Determination of the viability of Toxoplasma gondii oocysts by PCR real-time after treatment with propidium monoazide. Rev. Inst. Med. Trop. São Paulo. 2020;62:e84. doi:10.1590/S1678-9946202062084