REN and Hyponatremia: Aldosterone (0.95); acetazolamide, mineralocorticoid (0.94); deoxycorticosterone (0.93), pge2, indomethacin, hearing (0.88); spironolactone, mineralocorticoids, hyponatremia, renin, adh, ace (0.87); furosemide (0.86); insipidus, asthmatic, prostaglandins, fev1, pra, phenylbutazone (0.85)