An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Cotton MF, Donald PR, Schoeman JF, Aalbers C, Van Zyl LE, Lombard C.Cotton MF, et al. Among authors: donald pr.Pediatr Infect Dis J. 1991 Nov;10(11):837-42. doi: 10.1097/00006454-199111000-00009.Pediatr Infect Dis J. 1991.PMID: 1844394
Schoeman J, Donald P, van Zyl L, Keet M, Wait J.Schoeman J, et al.Dev Med Child Neurol. 1991 May;33(5):396-405. doi: 10.1111/j.1469-8749.1991.tb14899.x.Dev Med Child Neurol. 1991.PMID: 2065826Clinical Trial.
Donald PR, Seifart H.Donald PR, et al.Pediatr Infect Dis J. 1988 Jul;7(7):469-71. doi: 10.1097/00006454-198807000-00003.Pediatr Infect Dis J. 1988.PMID: 3405648
Schoeman JF, le Roux D, Bezuidenhout PB, Donald PR.Schoeman JF, et al. Among authors: donald pr.Dev Med Child Neurol. 1985 Oct;27(5):644-54. doi: 10.1111/j.1469-8749.1985.tb14137.x.Dev Med Child Neurol. 1985.PMID: 3877652