TY - CONF T1 - Compassionate treatment of pulmonary hypertension with long term inhaled nitric oxide and oral sildenafil (Viagra((R))) JO - THORAX PY - 2002/12/01 AU - Siddons T AU - Higenbottam TW AU - Amsha K AU - Armstrong I AU - McCormack K AU - Kiely DG ED - VL - 57 Y2 - 2024/12/22 ER -