The 13-week scan now available for pregnant women Since 1 September, pregnant women in the Netherlands can have an early ultrasound scan to detect physical abnormalities in their unborn child: the 13-week scan.
How to distinguish a dual user from an exclusive e-cigarette user RIVM and Maastricht University have identified a combination of factors that can be used to distinguish between exclusive e-cigarette users (vapers) on the one hand and people who smoke both regula