APA

Puttick A. H., Briggs D. C., Welsh K. I., Williamson E. A., Jacoby R. K. & Jones V. E. (19900621). Genes associated with rheumatoid arthritis and mild inflammatory arthritis. II. Association of HLA with complement C3 and immunoglobulin Gm allotypes. : Annals of the rheumatic diseases.

Chicago

Puttick A H, Briggs D C, Welsh K I, Williamson E A, Jacoby R K and Jones V E. 19900621. Genes associated with rheumatoid arthritis and mild inflammatory arthritis. II. Association of HLA with complement C3 and immunoglobulin Gm allotypes. : Annals of the rheumatic diseases.

Harvard

Puttick A. H., Briggs D. C., Welsh K. I., Williamson E. A., Jacoby R. K. and Jones V. E. (19900621). Genes associated with rheumatoid arthritis and mild inflammatory arthritis. II. Association of HLA with complement C3 and immunoglobulin Gm allotypes. : Annals of the rheumatic diseases.

MLA

Puttick A H, Briggs D C, Welsh K I, Williamson E A, Jacoby R K and Jones V E. Genes associated with rheumatoid arthritis and mild inflammatory arthritis. II. Association of HLA with complement C3 and immunoglobulin Gm allotypes. : Annals of the rheumatic diseases. 19900621.