The World Health Organization’s (WHO) International Program on Chemical Safety (IPCS) published a draft Environmental Health Criteria (EHC) Document, Principles and Methods to Assess the Risk of Immunotoxicity Associated with Exposure to Nanomaterials. ….
http://www.safenano.org/news/news-articles/who-seeks-comment-on-draft-document-concerning-assessing-the-risk-of-immunotoxicity-associated-with-exposure-to-nanomaterials/
