PT  - JOURNAL ARTICLE
AU  - Afifi, Mustafa
AU  - Arabi, Yaseen
TI  - Study designs in healthcare research
DP  - 2006 Feb 01
TA  - Saudi Medical Journal
PG  - 283--283
VI  - 27
IP  - 2
4099  - http://smj.org.sa/content/27/2/283.1.short
4100  - http://smj.org.sa/content/27/2/283.1.full
SO  - Saudi Med J2006 Feb 01; 27