@inproceedings{inproceedings751535c7,
title   = {Comparison between ultrasonography and doppler on gestation diagnosis in swine},
author = {Viana, C. H. C and Gama, R. D and Vianna, Wagner Loesch and Alvarenga, M. V. F and Barnabe, Renato Campanarut},
year = {2002},
booktitle   = {Congress of the International Pig Veterinary Society}
}