background: lichen planus is a common mucocutaneous disease with unknown etiology. immunodeficiency is a known predisposing factor to this disease. oral candidiasis which is an opportunistic fungal infection, commonly affects healthy and immune-compromised patients. candida has different species bearing different treatments. in this study, researchers aimed to detect the frequency and colonizat...

background& objectives: hepatitis c virus is one of the recently  discovered viruses that tend to  cause chronic liver disease. hepatitis c is one of the most common types of viral  hepatitis, cirrhosis and carcinoma of liver in hemodialysis patients. the most important risk factors of  hepatitis c in dialysis patients are blood transfusion , duration of dialysis and  kidney transplantation .to...