Evaluating of Red Blood Cell Distribution Width, Comorbidities and Electrocardiographic Ratios as Predictors of Prognosis in Patients with Pulmonary Hypertension oleh Mario E. Baltazares-Lipp, Alberto Aguilera-Velasco, Arnoldo Aquino-Gálvez, Rafael Velázquez-Cruz, Rafael J. Hernández-Zenteno, Noé Alvarado-Vásquez, Angel Camarena, M. Patricia Sierra-Vargas, Juan L. Chávez-Pacheco, Víctor Ruiz, Citlaltepetl Salinas-Lara, Martha L. Tena-Suck, Yair Romero, Luz M. Torres-Espíndola, Manuel Castillejos-López