PT - JOURNAL ARTICLE AU - Banjar, Hanaa TI - Twins and cystic fibrosis DP - 2000 Sep 01 TA - Saudi Medical Journal PG - 889--891 VI - 21 IP - 9 4099 - http://smj.org.sa/content/21/9/889.short 4100 - http://smj.org.sa/content/21/9/889.full SO - Saudi Med J2000 Sep 01; 21