Citace podle APA

Hak, E., Verheij, T., Grobbee, D., Nichol, K., & Hoes, A. (2002). Confounding by indication in non-experimental evaluation of vaccine effectiveness: The example of prevention of influenza complications. BMJ Group.

Styl Chicago

Hak, E., T. Verheij, D. Grobbee, K. Nichol, a A. Hoes. Confounding By Indication in Non-experimental Evaluation of Vaccine Effectiveness: The Example of Prevention of Influenza Complications. BMJ Group, 2002.

Citace podle MLA

Hak, E., et al. Confounding By Indication in Non-experimental Evaluation of Vaccine Effectiveness: The Example of Prevention of Influenza Complications. BMJ Group, 2002.

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