@misc{misc43007687,
title   = {Influence of different levels of vitamins D and C and age of laying hens on performance and egg quality in the summer},
author = {Faria, Douglas Emygdio de and Mazalli, Mônica and Salvador, Daniely and Junqueira, Otto Mack and Souza, Pedro Alves de},
year = {1999},
booktitle   = {Annual Meeting Abstracts}
}