to test the role of central neurogenic factors in sodium-depleted states , cerebrospinal fluid ( csf ) norepinephrine , epinephrine , and dopamine were measured in mongrel dogs first on a normal sodium intake ( 65 meq sodium/day ) and then on a 21-day regime of low sodium diet ( 4 meq/day combined with diuretics ) .
C0028351
norepinephrine
C0014563
epinephrine