We established a sensitive LC-MS/MS method for quantification of 1,2-propylene glycol (PG) and glycerol (G) in plasma and urine samples from users of different nicotine products, including combustible cigarettes (CC), ECs, heated tobacco products (HTP), oral tobacco (OT), and oral/dermal nicotine delivery products used for nicotine replacement therapy (NRT), and a control group of non-users (NU)
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Beyond writing, hes always had a passionate interest in the clever engineering found in consumer electronics and machinery, with an eclectic interest that spans diverse categories such as photography equipment, musical instruments, and automotive technology
How are cholesterol levels measured
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