The early period takes place within quarter-hour to 1 hour. Vomiting is the most common symptom of nicotine poisoning. The late period occurs within half an hour to four hours. Extra file eight: Table S8. Epidemiological/medical research investigating the association in between snus use and tooth reduction and dental caries. https://maps.google.es/url?q=https%3A%2F%2Ficyshop.es%2Fcollections%2Fvapes