Analgesia and side effects of codeine phosphate associated with paracetamol vs. paracetamol after the extraction of mandibular third molars: a randomized double-blind clinical trial using the split-mouth model - Carvalho, Matheus Furtado de; Homem, Maria da Graça Naclério; Silva, Yuri Slusarenko da; Reher, Peter (Oral and Maxillofacial Surgery, 2020)