See page 61 of the article in the right column, under the Discussion section.
In monkeys, chlorite interferes with thyroid function, meaning it's likely a goitrogen, just as perchlorate and other oxychlorine species. Also had renaltoxic effects in rats. That's kidney.
MMS is bunk, and it needs its own Debate Forum, as has been suggested on Webmaster debate forum.
Meanwhile, positive testimonials keep pouring in at VWT