Arndt, U., Behrens, F., Ziswiler, H. R., Kaltwasser, J. P., & Möller, B. (2007). Observational study of a patient and doctor directed pre-referral questionnaire for an early arthritis clinic. Rheumatology International, 28(1), 21. https://doi.org/10.1007/s00296-007-0382-x
Chicago Style (17th ed.) CitationArndt, Uta, Frank Behrens, Hans Rudolf Ziswiler, Joachim Peter Kaltwasser, and Burkhard Möller. "Observational Study of a Patient and Doctor Directed Pre-referral Questionnaire for an Early Arthritis Clinic." Rheumatology International 28, no. 1 (2007): 21. https://doi.org/10.1007/s00296-007-0382-x.
MLA (9th ed.) CitationArndt, Uta, et al. "Observational Study of a Patient and Doctor Directed Pre-referral Questionnaire for an Early Arthritis Clinic." Rheumatology International, vol. 28, no. 1, 2007, p. 21, https://doi.org/10.1007/s00296-007-0382-x.