পোর্টাল প্রেসার Medscape Reference eMedicine - Esophageal Varices http://emedicine.medscape.com/article/182098-overview Medscape Reference Medscape Reference পোর্টাল প্রেসার http://emedicine.medscape.com/article/182098-overview http://emedicine.medscape.com/article/182098-overview emedicine.medscape.com/article/182098-overview eMedicine #1 eMedicine #1 http://emedicine.medscape.com/article/182098-overview http://emedicine.medscape.com/article/182098-overview http://emedicine.medscape.com/article/182098-overview Medscape Reference