19. Vieira RHSF, Rodrigues DP, Gonçalves FA, Menezes FGR, Aragão JS, Sousa OV. Microbicidal effect of medicinal plant extracts (Psidium guajava Linn. and Carica papaya Linn.) upon bacteria isolated from fish muscle and known to induce diarrhea in children. Rev Inst Med Trop Sao Paulo. 2001; 43: 145-8.