APSIS

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APSIS

Angina Prognosis Study In Stockholm. A trial comparing metoprolol to verapamil on atherosclerotic endpoints and psychosocial variables in patients with stable angina.
Conclusion No difference between metoprolol and verapamil vis-à-vis cardiovascular events.
References in periodicals archive ?
First when at the periapsis, where the spacecraft moves orthogonal to the planetary orbit, dissipation vanishes momentarily.
However, given its elliptical orbit, meaningful gravity data could be acquired only when the spacecraft was within about 30 |degrees~ of periapsis (which presently occurs near 10 |degrees~ north latitude).
The spacecraft has been directed to travel through the uppermost layers of the Venus atmosphere at periapsis, producing drag that gradually will drop the apoapsis of Magellan's orbit to about 300 km.
Project managers plan to shrink Magellan's current, highly elliptical orbit to a nearly circular one beginning in mid-May by letting the craft dip into Venus's upper atmosphere at periapsis, where drag will rob it of orbital energy.