(Q78522536)
Statements
Enhanced surveillance scheme for suspected meningococcal disease in five regional health authorities in England: 1998 (English)
N S Crowcroft
K L Davison
M E Ramsay
N T Begg
E B Kaczmarski
J M Stuart
J M White
H Orr
Enhanced Surveillance of Meningococcal Disease Project Group
1 September 2002