Figure 1.

The three different intervention groups and blood withdrawal time points. B1: pretreament blood collection. B2: blood collection at steady state 24 h after last intake of aspirin 30 mg. B3: blood collection at steady state 8 h after last intake of non-steroidal anti-inflammatory drug (NSAID). B4: blood collection at steady state 24 h after last intake of aspirin 80 mg and 8 h after last intake of NSAID.