Synergistic Effect of Eucalyptus (Eucalyptus Camaldulensis) and Guava (Psidium Guajava) Ethanolic Extracts on Eschericia Coli and Staphylococcus Aureus Journal title: Academic Research International Authors: Bala, I. , Yusha’u, M. , Lawal, D , Abubakar, S. Subject(s):