@article{doi:10.1001/jama.1909.02540320063015, author = {Ricketts HT}, title = {A micro-organism which apparently has a specific relationship to rocky mountain spotted fever}, journal = {Journal of the American Medical Association}, volume = {LII}, number = {6}, pages = {491}, year = {1909}, doi = {10.1001/jama.1909.02540320063015}, URL = { + http://dx.doi.org/10.1001/jama.1909.02540320063015}, eprint = {/data/Journals/JAMA/10281/jama_LII_6_015.pdf} }