TY - GEN AU - Cuthbertson,R A TI - Duchenne de Boulogne and human facial expression SN - 0196-6383 PY - 1987///0623 KW - Emotions KW - physiology KW - Facial Expression KW - Facial Muscles KW - France KW - History, 19th Century KW - Humans KW - Muscular Dystrophies KW - history N1 - Publication Type: Biography; Historical Article; Journal Article; Portrait ER -