Affiliation: | 1. Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, RN, Brazil;2. Universidade CEUMA, S?o Luis, MA, Brazil;3. Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of S?o Paulo, S?o Paulo, SP, Brazil;4. Program for Children with Cleft lip and Palate, Pediatric Hospital Professor Heriberto Ferreira Bezerra, Federal University of Rio Grande do Norte, Natal, RN, Brazil |