APA

Symmons D. P. M., Lunt M., Watkins G., Helliwell P., Jones S., McHugh N. & Veale D. (20060711). Developing classification criteria for peripheral joint psoriatic arthritis. Step I. Establishing whether the rheumatologist's opinion on the diagnosis can be used as the "gold standard". : The Journal of rheumatology.

Chicago

Symmons Deborah P M, Lunt Mark, Watkins Gillian, Helliwell Philip, Jones Sharon, McHugh Neil and Veale Douglas. 20060711. Developing classification criteria for peripheral joint psoriatic arthritis. Step I. Establishing whether the rheumatologist's opinion on the diagnosis can be used as the "gold standard". : The Journal of rheumatology.

Harvard

Symmons D. P. M., Lunt M., Watkins G., Helliwell P., Jones S., McHugh N. and Veale D. (20060711). Developing classification criteria for peripheral joint psoriatic arthritis. Step I. Establishing whether the rheumatologist's opinion on the diagnosis can be used as the "gold standard". : The Journal of rheumatology.

MLA

Symmons Deborah P M, Lunt Mark, Watkins Gillian, Helliwell Philip, Jones Sharon, McHugh Neil and Veale Douglas. Developing classification criteria for peripheral joint psoriatic arthritis. Step I. Establishing whether the rheumatologist's opinion on the diagnosis can be used as the "gold standard". : The Journal of rheumatology. 20060711.