Cooper, G. S., Dooley, M. A., Treadwell, E. L., St Clair, E. W., Parks, C. G., & Gilkeson, G. S. (1998). Hormonal, environmental, and infectious risk factors for developing systemic lupus erythematosus. Arthritis and Rheumatism, 41(10), 1714–1724. https://doi.org/10.1002/1529-0131(199810)41:103.0.CO;2-U

Cooper, G. S., M. A. Dooley, E. L. Treadwell, E. W. St Clair, C. G. Parks, and G. S. Gilkeson. “Hormonal, environmental, and infectious risk factors for developing systemic lupus erythematosus.” Arthritis and Rheumatism 41, no. 10 (October 1998): 1714–24. https://doi.org/10.1002/1529-0131(199810)41:103.0.CO;2-U.

Cooper GS, Dooley MA, Treadwell EL, St Clair EW, Parks CG, Gilkeson GS. Hormonal, environmental, and infectious risk factors for developing systemic lupus erythematosus. Arthritis and rheumatism. 1998 Oct;41(10):1714–24.

Cooper, G. S., et al. “Hormonal, environmental, and infectious risk factors for developing systemic lupus erythematosus.” Arthritis and Rheumatism, vol. 41, no. 10, Oct. 1998, pp. 1714–24. Manual, doi:10.1002/1529-0131(199810)41:103.0.CO;2-U.

Cooper GS, Dooley MA, Treadwell EL, St Clair EW, Parks CG, Gilkeson GS. Hormonal, environmental, and infectious risk factors for developing systemic lupus erythematosus. Arthritis and rheumatism. 1998 Oct;41(10):1714–1724.