Allergy: https://www.worldallergy.org/adrc/

Hearing and Balance: https://www.cdc.gov/ncbddd/hearingloss/parentsguide/understanding/understandinghearingloss.html

Tests conducted for hearing: https://www.cdc.gov/ncbddd/hearingloss/screening.html

Treatment and assistive options for hearing loss: https://www.hearingloss.org/hearing-help/technology/cochlear-implantable-devices/

Tinnitus therapy: https://www.ata.org/about-tinnitus/why-are-my-ears-ringing/causes/

Tests conducted for balance: https://www.mayoclinic.org/diseases-conditions/balance-problems/diagnosis-treatment/drc-20350477

Treatment for imbalance: https://www.mayoclinic.org/diseases-conditions/balance-problems/diagnosis-treatment/drc-20350477

Newborn Hearing Screening: https://www.cdc.gov/ncbddd/hearingloss/parentsguide/understanding/newbornhearingscreening.html

Speech and Language Pathology: https://www.asha.org/public/who-are-speech-language-pathologists/

World health Organisation: https://www.who.int/news-room/fact-sheets/detail/deafness-and-hearing-loss