twˈɛlv dˈɪstɹɪkt hˈɛlθ ɐθˈɔːɹɪɾiz wɜː fˈɔːɹmd ɪnðə tɹˈɛnt ɹˈiːdʒən ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi tˈuː, ɹᵻplˈeɪsɪŋ ˈeɪt ˈɛɹiə hˈɛlθ ɐθˈɔːɹɪɾiz:
Twelve district health authorities were formed in the Trent Region in 1982, replacing eight Area Health Authorities: