RT Journal Article SR Electronic T1 Surgical treatment of chronic sacrococcygeal pilonidal sinus. Open method versus primary closure JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 815 OP 815 VO 28 IS 5 A1 Bhushan, Theophilus V. A1 Kareem, Tayeb S. YR 2007 UL http://smj.org.sa/content/28/5/815.abstract AB