- Correspondence to Dr Daniel Caldeira, Laboratório de Farmacologia Clínica e Terapêutica, Faculdade de Medicina da Universidade de Lisboa, Av. Prof. Egas Moniz, Lisboa 1649-028, Portugal;
- Received March 10, 2013
- Revised May 28, 2013
- Accepted May 30, 2013
- First published September 5, 2013.
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