Acute Caffeine Intake Reduces Perceived Exertion But Not Muscle Pain during Moderate Intensity Cycling Exercise in Women with Fibromyalgia - Schamne, Julio Cezar; Ressetti, Juliana Campos; Bertuzzi, Rômulo Cássio de Moraes; Okuno, Nilo Massaru; Lima-Silva, Adriano Eduardo (Journal of the American College of Nutrition, 2022)