In case it doesn't get to make the login follows the instructions below, choosing the one that is adapted to the navigator used by the user:

Internet Explorer: in menu Tools, Internet Options, go to 'Privacy' and then allow the security level in Middle, either add the address of Revista da Sociedade de Otorrinolaringologia do Rio de Janeiro how reliability, http://www.orl.org.br/sgp/, and click in OK.

Mozilla Firefox: in menu 'Tool', go to link 'Options', then click in left link 'Privacy' and in arrow '+ Cookies' and select the option 'Allow sites to set cookies', too is possible add the address of a Revista da Sociedade de Otorrinolaringologia do Rio de Janeiro how exception, click in OK for done and then to do the login in SGP.