APA-čujuhus (7. p.)

Brueggemann, A., Pai, R., Crook, D., & Beall, B. (2007). Vaccine escape recombinants emerge after pneumococcal vaccination in the United States.

Chicago-čujuhus (17. p.)

Brueggemann, A., R. Pai, D. Crook, juo B. Beall. Vaccine Escape Recombinants Emerge After Pneumococcal Vaccination in the United States. 2007.

MLA-čujuhus (9. p.)

Brueggemann, A., et al. Vaccine Escape Recombinants Emerge After Pneumococcal Vaccination in the United States. 2007.

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