11. Modern antivenoms are usually polyvalent , making them effective against the venom of numerous snake species. 12. At least one antivenom protects specifically against bites from this species : India Antiserum Africa Polyvalent . 13. Genevieve van Cauwenberge observed that the performances " are in fact polyvalent and difficult to classify. 14. A polyvalent antivenom is currently being developed by the Universidad de Costa Rica's Instituto Clodomiro Picado 15. From this they termed a " group " as a polyvalent atom connected together with its ligands. 16. Similarly, lists of complex signs and polyvalent symbols emerged to support a more nuanced scribal training. 17. In the Americas, polyvalent antivenoms are available that are effective against the bites of most pit vipers. 18. A polyvalent antivenom is currently being developed by the Universidad de Costa Rica's Instituto Clodomiro Picado. 19. The Polyvalent Room is approximately a 23-meter-large, 29-meter-long room. 20. In India, the Haffkine Institute prepares a polyvalent antivenin that is used to treat bites from this species.