Management of the Vicuña Vicugna vicugna in Chile: Use of a matrix model to assess harvest rates 

Evidence for cooperative effects in human liver arginase 

Caracteristicas antigenicas y patológicas de 3 aislados del virus de la bronquitis infecciosa obtenidos de aves vacunadas 

In vitro transcription catalyzed by heat-treated human rotavirus 

Avian infectious bronchitis diagnosis using an enzyme immunoassay on nitrocelulose 

Effect of prostagladin F2 alpha on the bovine fetal ruminal wall in vitro 

Absence of Neutralising Antibodies to Duck Plague Virus in the Commercial Duck and Goose Populations in West Germany (1980-1985) 

Physical growth and bone age of survivors of protein energy malnutrition 

Intoxicación por nitrato en bovinos lecheros en una pradera de Ballica Italiana. (Lolium multiflora var. Tama) 

El germen dentario como un modelo biológico