PT  - JOURNAL ARTICLE
AU  - Y. Tesfaye
AU  - S. Lal
TI  - Hazard of yawning
DP  - 1990 Jan 01
TA  - Canadian Medical Association Journal
PG  - 15b--15
VI  - 142
IP  - 1
4099  - http://www.cmaj.ca/content/142/1/15b.short
4100  - http://www.cmaj.ca/content/142/1/15b.full
SO  - CMAJ1990 Jan 01; 142