Platelet aggregation after 3 weeks of nutritional intervention with argan oil. Washed platelets were stimulated with thrombin (0.2 U/ml). Comparisons are made between the % platelet aggregation before and after the intervention period in the two groups. C: control group; AO: argan oil group. After a one-way ANOVA, Student-Newman-Keuls multiple comparison test, results are arranged in increasing order from left to right a > b (p < 0.05).