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Phenylketonuria in Tunisian institutions for the mentally handicapped
  1. S Khemir1,
  2. N Tebib2,
  3. F Nasrallah1,
  4. F Ben Nour2,
  5. H Mizouni2,
  6. M Elasmi1,
  7. H Sanhaji1,
  8. R Jemaa1,
  9. M Feki1,
  10. M F Ben Dridi2,
  11. A Mebazaa1,
  12. N Kaabachi1
  1. 1
    Laboratory of Biochemistry, Rabta Hospital, Tunis, Tunisia
  2. 2
    Department of Pediatrics, Rabta Hospital, Tunis, Tunisia
  1. Naziha Kaabachi, Laboratoire De Biochimie, Hôpital La Rabta, Jabbari, 1007 Tunis, Tunisia; naziha.kaabachi{at}

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Phenylketonuria (PKU) is the most frequent inherited metabolic disorder and results in progressive mental retardation. The incidence of PKU varies widely in neonates: it is high in Turkey (1:2600) and Ireland (1:4500) and low in Japan (1:125 000).1

The incidence of the disease is unknown in Tunisia and North Africa. In the absence of a newborn screening program for PKU and considering the high rate of consanguineous marriages in Tunisia, this study aimed to assess the incidence of PKU among institutionalised patients with a mental handicap.

A …

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