ˈæftɚ ɹᵻtˈɜːnɪŋ tə saɪˈæm ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːtiːn, dˈʊɹɹɪŋ ðə ɹˈeɪn ʌv hɪz ˈɛldɚ bɹˈʌðɚ kˈɪŋ vˈædʒɚɹˌævʌd, pɹˈɪns ɹˈæŋsɪt wˈɜːkt tʊ ɪmpɹˈuːv saɪˈæmz hˈɛlθ kˈɛɹ sˈɪstəm.
After returning to Siam in 1913, during the reign of his elder brother King Vajiravudh, Prince Rangsit worked to improve Siam's health care system.