Use of the platelet count/spleen diameter ratio for the noninvasive diagnosis of esophageal varices in patients with schistosomiasis oleh Adnan Agha, Mamdouh M Abdulhadi, Simona Marenco, Abdelhaleem Bella, Dib AlSaudi, Ahmed El-Haddad, Simona Inferrera, Vincenzo Savarino, Edoardo G Giannini