Why cant I see in the dark?
BMJ 373:m1573, Khan, S.,et al, 2021
Clinicopathologic Conference, Vitamin C Deficiency (Scurvey), Vitamin B6 & Folate Deficiencies
NEJM 379:282-289, Case 22-2018, 2018
Neurologic Presentation of Whipple Disease
Medicine 81:443-457, Gerard,A.,et al, 2002
Abetalipoproteinemia, Report of Two Cases & Review of Therapy
Arch Neurol 37:659-662, Illingworth,D.R.,et al, 1980