TopDir - top sites directory

TopDir is a human edited web directory with various categories, a collection of hand-picked web resources for visitors

TopDir offers free website promotion for webmasters and website owners. Relevant search results and many categories for adding and promoting websites. Free web promotion for websites at TopDir directory. Submit your url for review. A collection of hand-picked web resources for visitors. This page is focused on one particular aspect of Science, Biology, Toxicology, Methods and Techniques.

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    http://www.hepmeap.org/   » HEPMEAP - European collaborative project on the health effects of particles from motor engine exhaust and ambient air pollution. Survey and screening using in vivo animal toxicity and in-vitro screening, progress report and participants coordinated by the Medicine and Allergy University Hospital, UmeĆ„, Sweden.

    http://iccvam.niehs.nih.gov/methods/methods.htm   » Test Method Evaluations - Examples of alternative toxicological tests evaluated and approved, to reduce, refine, or replace the use of animals and to be economic in cost and time factors. From the ICCVAM Working Group, coordinated by NICEATM, for multiple agencies of US Federal Government.

    http://www.hsus.org/ace/11447   » Workshop on Refinements in Toxicology Testing - Overview of the presentations given at 1999 workshop. Includes chronic and acute toxicity studies, and non-invasive approaches to monitoring endpoints. Hosted by The Humane Society of the United States.


TopDir is a human edited web directory with various categories. Our mission is to organize theme based websites and remove the clutter from the information. We strive to provide context based website results to our visitors. This directory is an evolving one and we regularly add new categories, if there is a necessity. Members can suggest new categories and websites for inclusion. This is one stop promotion site for webmasters and website owners. We invite you to browse the categories and suggest your website url for an editor review. This page is focused on one particular aspect of Science, Biology, Toxicology, Methods and Techniques.

Help build the largest human-edited directory on the web. Soumettre un site - Open Directory Project - Devenir Editeur


Web directories list the websites by theme. The links in a web directory are collected, edited and organized by humans. Yahoo and Dmoz ODP(Open Directory Project) are considered as the best human-edited web directories on the Internet and they are one of the most trusted and relied traffic sources. Since these directories get thousands of submissions every day, it is sometimes difficult to get listed in them and your URL may take a long time to be reviewed and listed. Generally good directory listings give a surprise boost to your link popularity.

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