Classification tree criteria of pulmonary hypertension in mixed connective tissue disease
1991 ◽
Vol 68
(17)
◽
pp. 1687-1691
◽
1992 ◽
Vol 51
(8)
◽
pp. 1001-1004
◽
2007 ◽
Vol 27
(12)
◽
pp. 1163-1165
◽