[CITATION][C] Warning letter to David G. Eller, Chief Executive Officer and President, Celltex Therapeutics Corporation. Rockville, MD: Public Health Service

MA Malarkey - Food and Drug Administration, 2012

[CITATION][C] Warning Letter, David G. Eller, Chief Executive Officer and President

US Food and Drug Administration - CellTex Therapeutics Corporation, 2012

[CITATION][C] Warning letter to Dr

S Silverman - Joseph Mercola, March, 2011