Ortiz, R., Echeverría, O., Ubaldo, E., Carlos, A., Scassellati, C. and Vázquez-Nin, G. (2009) “Cytochemical study of the distribution of RNA and DNA in the synaptonemal complex of guinea-pig and rat spermatocytes”, European Journal of Histochemistry, 46(2), pp. 133–42. doi: 10.4081/1663.