Study linking brain cancer to child cell phone use
http://environment.about.com/b/2009/03/17/study-finds-cell-phones-increase-brain-cancer-risks-in-children.htm

WTO claims cellies cause brain cancer
http://www.naturalnews.com/027448_cell_phone_health_phones.html

Long term research on cell phones and brain tumors
http://linkinghub.elsevier.com/retrieve/pii/S0090301909001451

A metaanalysis of cell phone/ brain cancer
http://www.avaate.org/IMG/pdf/cell_phone_meta-analysis2009.pdf