Não informado. Reports and Notes of the Public Health Laboratories. Ministry of Public Health.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Reports and Notes of the Public Health Laboratories. Cairo: Ministry of Public Health.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Reports and Notes of the Public Health Laboratories. Ministry of Public Health.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.