FDAnews
www.fdanews.com/articles/143012-final-codevelopment-guidance-to-be-released-soon-woodcock-says

Final Codevelopment Guidance to Be Released Soon, Woodcock Says

January 6, 2012
The FDA is finishing a final guidance on codevelopment of two or more novel drugs for use in combination and hopes to release it in the next few months, CDER Director Janet Woodcock tells DID.
Drug Industry Daily