@misc{9940, author = {A. Smitten and H. Choi and M. Hochberg and S. Suissa and T. Simon and M. Testa and K. Chan}, title = {The risk of herpes zoster in patients with rheumatoid arthritis in the United States and the United Kingdom}, year = {2007}, journal = {Arthritis Rheum}, volume = {57}, number = {8}, pages = {1431-8}, issn = {0004-3591 (Print) 0004-3591}, doi = {10.1002/art.23112}, }