Screening for the inhibitory effect of crude extracts of Alocasia macrorrhiza L. Schott and Dioscorea hispida Dennst. on Pseudomonas aeruginosa and Staphylococcus aureus. per Bernales, Francis Betsy L., Cornejo, Rutchel D., Indangan, Madelyn A., Nacorda, Rian Glyde M., Pajota, Lynie O.