doi> Ramos, I.B. ; RAMOS, I. B. ; DE SOUZA, W ; MACHADO, E. A. ; DE SOUZA, W. ; MACHADO, E.A. ; MIRANDA, K. . Calcium-regulated fusion of yolk granules during early embryogenesis ofPeriplaneta americana. Molecular Reproduction and Development, v. 73, p. 1247-1254, 2006.