Gutiérrez, K., Alfaro, M., Granados, F., Sánchez, J., García, F., & Rodríguez, C. (2010). Microbiological detection of tetracyclines in 9 lots of animal feed produced in Costa Rica: Infringement of norms and incongruences with the official labeling.

Gutiérrez, Karla, Margarita Alfaro, Fabio Granados, Jorge Sánchez, Fernando García, und César Rodríguez. Microbiological Detection of Tetracyclines in 9 Lots of Animal Feed Produced in Costa Rica: Infringement of Norms and Incongruences With the Official Labeling. 2010.

Gutiérrez, Karla, et al. Microbiological Detection of Tetracyclines in 9 Lots of Animal Feed Produced in Costa Rica: Infringement of Norms and Incongruences With the Official Labeling. 2010.