| paragonimiasis and its intermediate hosts in a transmission focus in lao people's democratic republic. | human cases of paragonimiasis have been reported in lao people's democratic republic from several provinces, however, detailed descriptions of a focus of transmission including parasites species and intermediate hosts are lacking. field investigations were carried out between february and july 2004 in three neighboring villages of the province of vientiane. persons with chronic cough (more than three weeks) were identified during a door-to-door survey and three sputum samples were examined for p ... | 2007 | 17626777 |