Medical/scientific aspects of immune illness.
Readers: 7600 (0.1%) {34%} Mesgs per month/day: 143/5 {24%}
Crossposting: 25% {69%} Megs per month/day: 0.2/0.007 {26%}
Sites reciving this Group: 56% Cost ratio ($US/month/rdr): 0.01