Table 1

Contacts in October 2002.
	Tilburg	Groningen

Number of contacts between 00.00 and 08.00 h	787	483
Number of contacts between 08.00 and 24.00 h	3466	2028

Ong et al. BMC Family Practice 2008 9:11 doi:10.1186/1471-2296-9-11