I think is worth mention this blog
http://www.diabetesmine.com/ (indeed, medical20 world...).

Its having more and more central place in the blogsphere concerning medical aspects.
Its handling such important niche in the present- diabetes .The blogger is Amy Tenderich.
This is another example of everyone chance to influence by rolling creative and high-standart blog.
Note: try to read her post concerning Apple and medical devices . it was published yesterday and create a buzz even in the most popular and important blogs concerning web, web 2.0.