Visceral Leishmaniasis Presented as Myelofibrosis and Low grade lymphoma in a Sporadic Region of Iran, Report a Rare Case - Toogeh, Gholamreza; Shirkoohi, Reza; keyhani, Manouchehr; Nickbin, Mehdi; Najafi, Safa; Salimi, Maryam; Farsi, Leila; Ferdowsi, Shirin (International Journal of Hematology-Oncology and Stem Cell Research)