@article{articlee353af2f,
title   = {Cryopreservation of first and infective stage larvae and the infectivity test by anigical inoculation of the nematodes Haemonchus placei and Cooperia punctata},
author = {Jensen, J. R. and Merlo, A. and Bressan, Maria Cecilia Reale Vieira},
year = {2000},
journal   = {Revista Brasileira de Parasitologia e Veterinária}
}