in order to compare the bioavailability of unchanged asa from rapid- and slow-release formulations , the single-dose concentration profiles of asa and sa were studied in healthy volunteers following intake of two different rapid-release ( conventional and effervescent tablets ) and three different slow-release ( microencapsulated asa in tablets and in capsules , and enteric-coated tablets ) formulations of asa , and of one slow-release formulation of sodium salicylate .
C0036079
sa
C0037549
sodium salicylate