Cunha, J., Póvoa, P., Mourão, L., Santos, A. L. and Luís, A. S. (1995) “ An analysis of mortality and of the value of serum cholinesterase in monitoring the clinical course”., Acta Médica Portuguesa. Lisbon, Portugal, 8(9), pp. 469–75. doi: 10.20344/amp.2741.