APA

Gonzales M. J., Machekano R. N. & Shafer R. W. (20011207). Human immunodeficiency virus type 1 reverse-transcriptase and protease subtypes: classification, amino acid mutation patterns, and prevalence in a northern California clinic-based population. : The Journal of infectious diseases.

Chicago

Gonzales M J, Machekano R N and Shafer R W. 20011207. Human immunodeficiency virus type 1 reverse-transcriptase and protease subtypes: classification, amino acid mutation patterns, and prevalence in a northern California clinic-based population. : The Journal of infectious diseases.

Harvard

Gonzales M. J., Machekano R. N. and Shafer R. W. (20011207). Human immunodeficiency virus type 1 reverse-transcriptase and protease subtypes: classification, amino acid mutation patterns, and prevalence in a northern California clinic-based population. : The Journal of infectious diseases.

MLA

Gonzales M J, Machekano R N and Shafer R W. Human immunodeficiency virus type 1 reverse-transcriptase and protease subtypes: classification, amino acid mutation patterns, and prevalence in a northern California clinic-based population. : The Journal of infectious diseases. 20011207.