S. C. Falcão, A. R. de B. Coelho, E. L. de Almeida, and C. A. P. de M. Galdino, “Modified process of image reproduction and amplification for measurement of area by planimetry: Application in plain wounds produced in dogs treated by occlusive skin frog dressings”, Braz. J. Vet. Res. Anim. Sci., vol. 38, no. 4, pp. 165–169, Jan. 2001, doi: 10.1590/S1413-95962001000400004.