An ethogram analysis of cutaneous thermal pain sensitivity and oxycodone reward-related behaviors in rats oleh Ariana C. Brice-Tutt, Darrice S. Montgomery, Cassidy M. Kramer, Peter M. Novotny, Wendi L. Malphurs, Abhisheak Sharma, Robert. M. Caudle, Adriaan W. Bruijnzeel, Barry Setlow, John K. Neubert, Niall P. Murphy