the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility, the same sterility