Kelly, I., Frith, P., Hyman, N., & Jewell, D. (1990). Retinal periphlebitis in ulcerative colitis. BMJ Publishing Group.
Chicago-čujuhus (17. p.)Kelly, I., P. Frith, N. Hyman, juo D. Jewell. Retinal Periphlebitis in Ulcerative Colitis. BMJ Publishing Group, 1990.
MLA-čujuhus (9. p.)Kelly, I., et al. Retinal Periphlebitis in Ulcerative Colitis. BMJ Publishing Group, 1990.
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