Proceedings of the National Academy of Sciences USA, 106, 24, pp. 9709-14 Proceedings of the National Academy of Sciences of the United States of America, 106(24), 9709-9714. National Academy of Sciences Proceedings of the National Academy of Sciences USA, 106, 9709-14
Journal of Clinical Microbiology, 43(7), 3140-3144. American Society for Microbiology Journal of Clinical Microbiology, 43, 3140-4 Journal of Clinical Microbiology, 43, 7, pp. 3140-4