19. In-Vitro Anthelminthic Effects of Vernonia amygdalina Leaf Ethanolic and Aqueous Extracts onEarthworms (Pheritima posthuma)19. In-Vitro Anthelminthic Effects of Vernonia amygdalina Leaf Ethanolic and Aqueous Extracts onEarthworms (Pheritima posthuma) Abdullahi Abubakar Biu, Wasagwa John, ThankGod Emmanuel Onyiche and Falmata Mustapha AbdallahAbdullahi Abubakar Biu, Wasagwa John, ThankGod Emmanuel Onyiche and Falmata Mustapha Abdallah Read & DownloadRead & Download