Colon cancer controls versus population controls in case-control studies of occupational risk factors

BACKGROUND: Since updated population registers do not exist in many countries it is often difficult to sample valid population controls from the study base to a case-control study. Use of patient controls is an alternative option if the exposure experience under study for these patients are intercha...

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Detalles Bibliográficos
Autores principales: Kaerlev, Linda, Lynge, Elsebeth, Sabroe, Svend, Olsen, Jorn
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2004
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC415553/
https://www.ncbi.nlm.nih.gov/pubmed/15102323
http://dx.doi.org/10.1186/1471-2407-4-15

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC415553/
https://www.ncbi.nlm.nih.gov/pubmed/15102323
http://dx.doi.org/10.1186/1471-2407-4-15

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