---is an on line, open access textbook on acid base disorders currently under development as a labor of love by Robert Centor, MD, the blogger at DB's Medical Rants. Although it deals with some advanced concepts in acid base disorders it is case based and written in plain language.
Comments are enabled; the site exemplifies the beauty of Web 2.0. This is a wonderful resource. More chapters are planned, but if you can't wait check out additional case discussions in DB's Medscape cases.