Enlaces:
[1] http://www.cdc.gov/getsmart/community/sp/index.html
[2] http://www.cdc.gov/getsmart/community/sp/for-patients/common-illnesses/sore-throat.html
[3] http://kidshealth.org/es/kids/strep-throat-esp.html
[4] https://www.cdc.gov/Spanish/especialesCDC/AmigdalitisEstreptococica/
[5] http://kidshealth.org/es/kids/germs-esp.html
[6] http://kidshealth.org/es/kids/tonsillitis-esp.html