english: By the 1950s, as the world's leading authority on the subject, he declared that he had seen less than 150 true cases of his syndrome while fielding referrals from as far away as South Africa.
non_english: V 50. letih je kot vodilni  svetovni strokovnjak na tem področju, naznanil, da je videl manj kot  150 primerov pravega avtizma, čeprav so k njemu pošiljali otroke od vsepovsod, celo iz Južnoafriške Republike.