. (1999). . (e1522). Reports, 7(3), e1522
. "" .e1522 , Reports, 7, 3, 1999, e1522.
. (1999). '', Reports, 7(3), e1522.
, "," Reports, 7 3 (1999): e1522,
. . Reports. 1999;7(3):e1522 (In Persian).