(Q50772372)
Statements
Pulmonary hypertension surveillance--United States, 1980-2002. (English)
1 reference
Alexandra Hyduk
1 reference
Janet B Croft
1 reference
Carma Ayala
1 reference
Kan Zheng
1 reference
Zhi-Jie Zheng
1 reference
1 November 2005
1 reference
54
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5
1 reference
1-28
1 reference