Goulão, A., Maurício, J.C., Reis, F.C. and Cannas, J. 1990. Development of the embolization technique for cerebral and spinal marrow arteriovenous malformations, and its clinical basis. Acta Médica Portuguesa. 3, 5 (Oct. 1990), 261–7. DOI:https://doi.org/10.20344/amp.4586.