WebCitings brings to our readers’ attention World Wide Web resources of interest to medical laboratorians. If there is a resource that you think would be useful to other readers of this journal, please let us know at: webcitings@clinchem.aacc.org Need a schematic drawing showing DNA packing into chromatin for that lecture you promised to give tomorrow? This website makes available diagrams representing some important processes of molecular biology and biotechnology for noncommercial, educational use by teachers and students. The images are in jpg or gif formats, and some could benefit from higher resolution; a few are also available in crisp portable document format (pdf) for handouts and over-heads. The parent site, Access Excellence, was originally launched by Genentech and is now part of the National Health Museum. It provides information on biotechnology education and career resources, as well as useful links. This departmental website allows general access to many pages that present tutorials, reviews of images, and case studies. A section on the “Unifying Concept of Disease” is in preparation, with only a few active links, and it may be a significant resource when complete. The “virtual microscope” allows you to perform leukocyte differential counts for three cases, with a warm-up exercise. Warning: you will have to put up with excessive javascript navigation (http://www.fixingyourwebsite.com/mysterymeat.html). Buried deep within the cavernous CDC website lie the pages of the Division of Laboratory Systems, a division of the Public Health Practice Program Office. Of particular interest to readers of this journal are the latest CLIA information, proceedings of meetings on laboratory quality issues, reports, and other government documents relevant to laboratories. A complete list (6.2 Mb) of all medical laboratories in the US can be had at a mouse click. The personal site of pathologist Edward R. Friedlander is what noninstitutional websites are all about: useful information, helpful links, and strong personal opinions. You may not agree with the Pathology Guy, but his eclectic website is worth a visit. Pages cover histology, the Socratic method, Shakespeare, and even the Mixolydian mode. Where else can you find a postcard of the Seven Deadly Sins? In Russian, no less!
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Robert Rej (2003) studied this question.