instruction:
In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.
question:
 The results were analyzed using statistical methods and a significant decrease in blood flow , Vmax , was found in all investigated arteries .
answer:
blood


question:
 Ac - DEVD - AMC = N - acetyl - Asp - Glu - Val - Asp - 7 - amino - 4 - methylcoumarin ; Ac - DEVD - CHO = N - acetyl - Asp - Glu - Val - Asp - aldehyde ; COX = cyclooxygenase ; Deltapsim = mitochondrial membrane potential ; DAPI = 4 ' , 6 - diamidino - 2 - phenylindole ; DMEM = Dulbecco ' s modified Eagle ' s medium ; ELISA = enzyme - linked immunosorbent assay ; FCS = fetal calf serum ; FLS = fibroblast - like synoviocytes ; IL = interleukin ; JC - 1 = 5 , 5 ' , 6 , 6 ' - tetrachloro - 1 , 1 ' , 3 , 3 ' - tetraethylbenzimidazole carbocyanide iodide ; MTT = 3 - ( 4 , 5 - dimethylthiazol - 2 - yl ) - 2 , 5 - diphenyltetrazolium bromide ; PBS = phosphate - buffered saline ; PGE2 = prostaglandin E2 ; RA = rheumatoid arthritis .
answer:
serum


question:
 Although the time to hospital discharge did not differ in the full sample ( 9 . 2 d for both groups ) , it was greater among those receiving cefazolin ( 8 . 6 vs . 8 . 0 d ; p < 0 . 05 ) when patients with lengths of stay exceeding 24 days were excluded from both groups .
answer:

sample