Well you maybe right YJ, the only one I seem to be able to find that supports this theroy is that one and it seems to be unavailable. I have to admit that most articles I've read claiming glutamine is good for recovery always refernce that study, and I am unable to find it, other than the title.
I was able to find quite a few though that say it is useful in a caloric deficit and in patients after surgery or burn victims. However I'm not sure how that relates to stress from weight training, I don't think they are quite the same.
Once again you have manage to beat down another glutamine advocate.... I give.