Moreira, Karen Lúcia de Araújo Freitas, et al. “Botulinum Toxin A and Physiotherapy Intervention in the Treatment of the Painful Shoulder After Stroke: Case Report”. Semina: Ciências Biológicas E Da Saúde, vol. 28, no. 2, Dec. 2007, pp. 119-26, doi:10.5433/1679-0367.2007v28n2p119.