المؤلفون: Chang'a, Jelly Senyangwa, Løken, Torleiv, Mdegela, Robinson H., Reksen, Olav

المصدر: Open Journal of Veterinary Medicine ; volume 02, issue 02, page 66-73 ; ISSN 2165-3356 2165-3364

الاتاحة: http://dx.doi.org/10.4236/ojvm.2012.22011
http://www.scirp.org/journal/PaperDownload.aspx?DOI=10.4236/ojvm.2012.22011
http://www.scirp.org/journal/doi.aspx?DOI=10.4236/ojvm.2012.22011