Hauser, J. Santos , W.H. <br/><br/>
Janus head is really possible! [Regeneracao, Cabeca Janus, Dugesiabarti, Dugesia anderlani, gradiente axial, ventro-dorsal] 

<br/><br/><label>Subjects--Topical Terms: </label><br/>PRAGA DE ANIMAL<br/>VERME