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The John Player Series later introduced two variants: John Player Switch and John Player Special

This may result in less lingering odor on breath or clothing

"Degradation of Cellulose Acetate-Based Materials: A Review"

The only other known attempt to conduct residue analysis on pipes from the Plateau was conducted at the Keatley Creek site in interior British Columbia, but this produced only negative results (ref

It proved that e-cigarette exposure induced a tender inflammatory response than tobacco cigarettes, which supports that e-cigarettes can become an alternative tool for smoking cessation

Overall results therefore suggest a possible link between cigarette smoke, C