Prevalence of Toxoplasma gondii, Neospora caninum, and Sarcocystis Species DNA in the Heart and Breast Muscles of Rock Pigeons (Columbia livia) oleh Muhammad Mudasser Nazir, Muhammad Mazhar Ayaz, Atif Nisar Ahmed, Azhar Maqbool, Kamran Ashraf, Muhammad Oneeb, Ghulam Yasin, Atta Subhani, Muhammad Asif Ali, Noman Nazir, Muhammad Afzal Sajid