@misc{misc3048490f,
title   = {A universal polymerase chain reaction to group 2 coronaviruses targeted to the hemagglutinin-esterase gene},
author = {Villarreal Buitrago, Laura Yaneth and Brandão, Paulo Eduardo and Jerez, José Antonio and Ferreira, Antonio José Piantino},
year = {2004},
booktitle   = {National Meeting of Virology}
}