. (1999). . (e1539). Reports, 7(7), e1539
. "" .e1539 , Reports, 7, 7, 1999, e1539.
. (1999). '', Reports, 7(7), e1539.
, "," Reports, 7 7 (1999): e1539,
. . Reports. 1999;7(7):e1539 (In Persian).