early proximal flow rate ( vep ) , stop-flow pressure ( psf ) , early distal chloride concentration ( [ c ] ) , and flow rate were measured during perfusion of the loop of henle with mannitol solution ( 300 mosm kg-1 ) , 30mm nacl + mannitol ( 300 mosm kg-1 ) , 140 mm na isethionate and artificial tubular fluid .
C0008203
chloride
C0037494
nacl