Ibáñez, C. F., Pelto-Huikko, M., Söder, O., Ritzèn, E. M., Hersh, L. B., Hökfelt, T., & Persson, H. (1991). Expression of choline acetyltransferase mRNA in spermatogenic cells results in an accumulation of the enzyme in the postacrosomal region of mature spermatozoa.

Ibáñez, C F., M. Pelto-Huikko, O. Söder, E M. Ritzèn, L B. Hersh, T. Hökfelt, ja H. Persson. Expression of Choline Acetyltransferase MRNA in Spermatogenic Cells Results in an Accumulation of the Enzyme in the Postacrosomal Region of Mature Spermatozoa. 1991.

Ibáñez, C F., et al. Expression of Choline Acetyltransferase MRNA in Spermatogenic Cells Results in an Accumulation of the Enzyme in the Postacrosomal Region of Mature Spermatozoa. 1991.