RT Journal Article SR Electronic T1 Densitometric analysis of Dot blot assays for human immunodeficiency virus type 1 and 2 antibodies JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 421 OP 422 VO 27 IS 3 A1 Mehrdad Ravanshad A1 Fereidoun Mahboudi A1 Farzaneh Sabahi A1 Anoshirvan Kazemnejad YR 2006 UL http://smj.org.sa/content/27/3/421.abstract AB