“At rest (…), nifedipine …% R , ‐27% E, both p<0.001) and mean arterial pressure (‐18% R, ‐21% E, both p<0.001), and increased heart rate (+15% … p<0.001), Pulmonary artery wedge pressure on exercise increased less (22 ±7 mmHg P, 13±5 mmHg N, p<0.001).”