Answer 9.4

9.4
=> s aspirin or (((acetyl? salicyl?) or acetylsalicyl?) (w) acid)

            12 ASPIRIN
           431 ACETYL?
            93 SALICYL?
             9 ACETYL? SALICYL?
                 (ACETYL?(W)SALICYL?)
             5 ACETYLSALICYL?
          6423 ACID 
             8 ((ACETYL? SALICYL?) OR ACETYLSALICYL?) (W) ACID
L1          18 ASPIRIN OR (((ACETYL? SALICYL?) OR ACETYLSALICYL?) (W)ACI
               D)

=> s l1 and de/pc,ds

         14006 DE/PC 
          9274 DE/DS 
L2           7 L3 AND DE/PC,DS

=> d hit bib 1-