Cita APA

Kraan, M., Smeets, T., van Loon, M., Breedveld, F., Dijkmans, B., & Tak, P. (2003). Differential effects of leflunomide and methotrexate on cytokine production in RA. BioMed Central.

Chicago Style Citation

Kraan, MC, TJM Smeets, MJ van Loon, FC Breedveld, BAC Dijkmans, i PP Tak. Differential Effects of Leflunomide and Methotrexate On Cytokine Production in RA. BioMed Central, 2003.

Cita MLA

Kraan, MC, et al. Differential Effects of Leflunomide and Methotrexate On Cytokine Production in RA. BioMed Central, 2003.