Recent content by hggreen

  1. H

    Graduate Nitrogen Systems: First Positive, Second Positive, First Negative

    Thank you DrClaude! That helps a lot. -hggreen
  2. H

    Graduate Nitrogen Systems: First Positive, Second Positive, First Negative

    Hi Yohan24, I am literally searching for the same thing and I found the following paper talks a bit about the first positive and second positive(at p118) http://www.stanford.edu/group/Zarelab/publinks/13.pdf Hope this helps. Please let me know if you find anything in more detail. Thanks...