Blastocystis incidence, spontaneous clearance, persistence and risk factors in a rural community in Thailand: A prospective cohort study oleh Kawin Wongthamarin, Thanaporn Trairattanapa, Sirakit Kijanukul, Thanakrit Kritsilpe, Sarun Poobunjirdkul, Warit Chuengdee, Mathirut Mungthi, Saovanee Leelayoova, Tawee Naaglor, Paanjit Taamasri, Picha Suwannahitatorn, Toon Ruang-Areerate, Phunlerd Piyaraj