Follow-up of a suspected excess of brain tumours among Namibian children.
Preston-Martin
S
S
Wessels
G
G
Hecht
S
S
Hesseling
P B
PB
D001932:Brain Neoplasms / Q000453:epidemiology*; D006801:Humans; D009276:Namibia / Q000453:epidemiology; D009566:Nitrates / Q000032:analysis; D014881:Water Supply / Q000032:analysis
D009566:Nitrates