Santos, D. N. dos, C. F. Nunes, J. D. R. Soares, E. Alves, C. R. C. Labory, M. Pasqual, e L. A. S. Pio. “<B&gt;Ultrastructural and Cytochemical Analysis of Physic Nut Callus Tissue in Response to Different Combinations of Growth Regulators”. Acta Scientiarum. Agronomy, Vol. 37, nº 3, agosto de 2015, p. 355-9, doi:10.4025/actasciagron.v37i3.19745.