Search for tag: "blisters and abrasions"

HM 839 Guinea Worm duration 10 minutes 10 seconds HM 839 Guinea Worm HM 839 Guinea Worm	HM 839 Guinea Worm HM 839 Guinea Worm blisters and abrasions larvae parasitism egypt guinea africa drinking water flea (insect) insects health education sahara diseases syndromes and disorders tissue (biology) drinking straws west africa From pblhlth Program in Public Health 16 plays 0
HM831 Mod14Voice duration 4 minutes 47 seconds HM831 Mod14Voice HM831 Mod14Voice	HM831 Mod14Voice the time blisters and abrasions polio hm831 parasitism sudan wet season villages africa drinking water ministry of health (denmark) west africa guinea national economy and state finances cladocera caption clocks and watches From pblhlth Program in Public Health 10 plays 0