1999
  1. Green,J.A., Xie,S., Szafranska,B., Gan,X., Newman,A.G., McDowell,K. and Roberts,R.M.
    Identification of a new aspartic proteinase expressed by the outer chorionic cell layer of the equine placenta
    Biol Reprod60, 1069-1077. PubMed  Europe PubMed