æn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti sˈɪks bˈʊk pˈʌblɪʃt baɪ ˈɑːksfɚd jˌuːnɪvˈɜːsᵻɾi dɪskˈʌst ɐ vˈɪzɪt tə zˈæɹət pˈeɪd baɪ sˈɛvɹəl mˈɛdɪkəl pɹəfˈɛʃənəlz, hˌuː kʊd nˌɑːt sˈɜːʔn̩li vˈɛɹᵻfˌaɪ ðæt ʃiː wʌz twˈɛlv jˈɪɹz ˈoʊld, bˌʌt ðeɪ kʊd ˌæsɚtˈeɪn θɹuː hɜː dˈɛntəl dɪvˈɛləpmənt ðæt ʃiː wʌz æt lˈiːst sˈɪks jˈɪɹz ˈoʊld.
An 1876 book published by Oxford University discussed a visit to Zárate paid by several medical professionals, who could not certainly verify that she was twelve years old, but they could ascertain through her dental development that she was at least six years old.