PT - JOURNAL ARTICLE AU - Al-Sughayir, Mohammed TI - Challenging behavior: Analysis and intervention in people with severe intellectual disabilities DP - 2002 Dec 01 TA - Saudi Medical Journal PG - 1562--1562 VI - 23 IP - 12 4099 - http://smj.org.sa/content/23/12/1562.short 4100 - http://smj.org.sa/content/23/12/1562.full SO - Saudi Med J2002 Dec 01; 23