Não informado. (2002). Journal of Tropical Pediatrics and Environmental Child Health. Institute of Child Health.
Chicago-referens (17:e uppl.)Não informado. Journal of Tropical Pediatrics and Environmental Child Health. London: Institute of Child Health, 2002.
MLA-referens (8:e uppl.)Não informado. Journal of Tropical Pediatrics and Environmental Child Health. Institute of Child Health, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.