OMS. (1991). WHO technical report series; N.811: Control of chagas disease. Geneva: OMS.
Παραπομπή Chicago StyleOMS. WHO Technical Report Series; N.811: Control of Chagas Disease. Geneva: OMS, 1991.
Παραπομπή MLAOMS. WHO Technical Report Series; N.811: Control of Chagas Disease. Geneva: OMS, 1991.
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