Xwxwxxxw CN1254271C – Hybrid polypeptides with enhanced pharmacokinetic … CN1254271C – Hybrid polypeptides with enhanced pharmacokinetic … CN1254271C – Hybrid polypeptides with enhanced pharmacokinetic … CN1254271C – Hybrid polypeptides with enhanced pharmacokinetic … CN1254271C – Hybrid polypeptides with enhanced pharmacokinetic … xwxwxxxw