Beskrivelse
Udgivet:1974-
Fysisk beskrivelse:v. : ill. ; 23 cm.
Current issue also available via Internet from the CDC web site. Address as of 11/8/99: http://wonder.cdc.gov/wonder/prevguid/p0000475/p0000475.htm; current access is available via PURL.
Udgivelsesfrekvens:Annual
ISSN:0095-3539