https://vocabularyserver.com/interwater/es/https://vocabularyserver.com/interwater/es/xml.php?skosTema=1136gnathostoma https://vocabularyserver.com/interwater/es/xml.php?skosTema=1136 helmintiasis RT https://vocabularyserver.com/interwater/es/xml.php?skosTema=1136 enfermedades causadas por disposiciĆ³n de excretas RT https://vocabularyserver.com/interwater/es/xml.php?skosTema=1136 nematodes BT