PT  - JOURNAL ARTICLE
AU  - de Lusignan, Simon
TI  - In this issue: Ontologies a key concept in informatics and key for open definition of cases, exposures and outcome measures
AID  - 10.14236/jhi.v22i2.170
DP  - 2015 Apr 01
TA  - BMJ Health & Care Informatics
PG  - i--v
VI  - 22
IP  - 2
4099  - http://informatics.bmj.com/content/22/2/i.short
4100  - http://informatics.bmj.com/content/22/2/i.full