Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Geographical distribution of the number of endoscopies and colonoscopies performed per 100,000 inhabitants in The Netherlands in 2004 and 2009. Discontinous lines represent mean of The Netherlands. NH Noord-Holland, ZH Zuid-Holland, NB Noord-Brabant, UTR Utrecht, GLD Gelderland, GRO Groningen, FLE Flevoland, ZEE Zeeland, LIM Limburg, FRI Friesland, DRE Drenthe.
