This case deals with minimum wage laws and sex discrimination, much like Adkins v. Children's Hospital[?] 261 US 525 1923 and Muller v. Oregon 208 US 412 1908.
See also:
... site (in Portuguese) Cāmara dos Deputados (http://www.camara.gov.br) - Official Chamber of Deputies site (in Portuguese) Senado Federal (http://www.senado.gov.br) ...