TY - RPRT TI - Electromyographic specificity during covert information processing. AU - J T Cacioppo AU - R E Petty PY - 1981 DO - 10.1111/j.1469-8986.1981.tb01819.x UR - https://pubmed.ncbi.nlm.nih.gov/7280148/ ID - 7280148 ER -