Five is the maximum sample size for case reports: statistical justification, epidemiologic rationale, and clinical importance.
Department of Neurosurgery, Ain Shams University, Cairo, Egypt; Research Associate, Gamma Knife Center, Nasser Institute, Cairo, Egypt; Encyclopaedia Neurochirurgica, Paris, France. Electronic address: ignatiusesene@yahoo.co.uk.
Ignatius Ngene
IN
Esene
Department of Neurosurgery, Ain Shams University, Cairo, Egypt.
Ali
A
Kotb
Department of Neurosurgery, Ain Shams University, Cairo, Egypt.
Hossam
H
ElHusseiny
D003627:Data Interpretation, Statistical; D016021:Epidemiologic Studies; D006801:Humans; D009493:Neurosurgery; D010506:Periodicals as Topic / Q000639:trends*; D039781:PubMed; D011643:Publishing / Q000639:trends*; D012107:Research Design; D018401:Sample Size