Mlay P S, Seth M, Balthazary S T, Chibunda R T, Phiri E C J H and Balemba O B 2007: Total plasma proteins and hemoglobin levels as affected by worm burden in freshwaterfish in Morogoro, Tanzania. Livestock Research for Rural Development. Volume 19, Article #19. Retrieved , from http://www.lrrd.org/lrrd19/2/mlay19019.htm