Alabdulgader, Abdullah.
" Beethoven’s Ninth Symphony and Non-Auditory Creative Cognition: A Neurocardiac Biophysical Framework Resolving a 200-Year-Old Scientific Enigma Based on the Alabdulgader Heart-Based Resonant Field Theory." <em>Medical Research Archives</em> [Online], 14.3 (2026): n. pag. Web.  6 Apr. 2026