Freuds work in psychology has had a profound impact on our understanding of the human mind, and his pipe was often seen as a symbol of his deep thought and introspection
Regardless, it's an honorable mention and a fine choice
Additionally, unclassified bacteria accounted for up to 51.2% of RT samples (e.g., T5, 9 months) at the genus level, among which Carnobacteriaceae_unclassified comprised 74.9% of such reads in T2, T3, T4, and T6 samples, and 50.0% of unclassified reads in T5 RT
However, when a smoker places his fingers or lips on the filter, he blocks these micro-perforations and the concentrations of nicotine, tar and other toxic substances, such as carbon monoxide (CO), are then 2 to 26 times higher