L'écouvillon oral prélève des échantillons d'ADN , safe and hygienic methods Oral swab sampling is the best and easiest way to collect DNA samples , méthodes sûres et hygiéniques. If done properly, the sample size obtained is sufficient. Remarquer: Please don’t eat anything 30 minutes avant l'échantillonnage. If you smoke, rinse your mouth with water before sampling. Sampling of oral cells …