Mori T, Nishimoto T, Kitagawa M, Noda Y, Nishimura T, Oikawa T
Experientia. 1978 Jun 15;34(6):797-9. doi: 10.1007/BF01947334.
Of 52 serum samples from infertile women tested against isolated porcine oocytes by immunofluorescence, 8 produced intense reactions in zonae pellucidae, while only one of 52 sera from control subjects showed the reaction. Autoantibodies to the zona may be present in these women.