BELGRADE, SERBIA, Jul 22, 2010 (MARKETWIRE via COMTEX) — Hard to Treat Diseases, Inc. (PINK SHEETS: HTDS) http://www.htdsmedical.com) is pleased to announce that researchers from its Slavica BioChem (www.slavicabiochem.com) division established the cooperation with world-leading market analysis company from UK. Dr. Sanja Pekovic, Chief Project Scientist of HTDS, said, “The Datamonitor Group...