@article{article070e8434,
title   = {Diet crude protein content and sources for lactating dairy cattle},
author = {Imaizumi, Hugo and Santos, Flávio Augusto Portela and Bittar, Carla Maris Machado and Correia, Paulo Sérgio and Martinez, Júnio César},
year = {2010},
doi = {10.1590/s0103-90162010000100003},
journal   = {Scientia Agricola}
}