. (1999). . (e1542). Reports, 7(7), e1542
. "" .e1542 , Reports, 7, 7, 1999, e1542.
. (1999). '', Reports, 7(7), e1542.
, "," Reports, 7 7 (1999): e1542,
. . Reports. 1999;7(7):e1542 (In Persian).