Instituto Butantan and production of sera. The Instituto Butantan also operate the "Hospital Vital Brazil", a specialist hospital that offers free treatment for poisonous animal stings and bites. The institute also accepts donations of serpents, arthropods and other animals captured by the public and by a network of collaborating centers and individuals. The following research laboratories are part of the Butantan Institute: Important Brazilian scientists who have worked in the Butantan Institute are: Vital Brazil, Afrânio Pompílio Gastos do Amaral, Isaias Raw, Samuel Pessoa, Willy Beçak. The Institute has strong collaborative ties with the Pasteur Institute, Paris, France, and with the Oswaldo
American Concrete Institute for the design and construction of structural concrete buildings. It is issued and maintained by the American Concrete Institute. The latest edition of the code is ACI 318-14. Concrete International is a monthly magazine published by the American Concrete Institute. Searchable abstracts of articles are available via the magazine's web page. The Wason Medal for Most Meritorious Paper has been awarded each year since 1917 to the author or authors of a paper published by ACI. Notable recipients include: American Concrete Institute The American Concrete Institute (ACI, formerly National Association of Cement Users or NACU) is a non-profit technical society