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Smoking cessation was defined as no tobacco smoking in the past seven days and an exhaled carbon monoxide level less than 7 ppm
This is true for both women trying to become pregnant for the rst time and also women suffering from secondary infertility
The lethal dose of nicotine has historically been quoted as 30-60mg, but more recent research suggests the lethal dose is higher (potentially 500mg+ in adults) with substantial individual variation
Quantitation of serum nicotine, cotinine, adrenalin, and -endorphin via Ultra-fast liquid chromatography-tandem mass spectrometry (UFLC-MS/MS) Nicotine and cotinine This study used a validated SHIMADZU UFLC-MS/MS system (Waters Corporation, Milford, MA, USA) to determine the concentration of nicotine and cotinine in rat serum
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