Fig. 1From: Magnetic resonance imaging phantoms for quality-control of myocardial T1 and ECV mapping: specific formulation, long-term stability and variation with heart rate and temperatureTitle: A 60mls narrow neck bottle used. Legend: The 60mls narrow-neck bottles used (Fisherbrand TM Clear Soda Lime Glass Boston Round Narrow Mouth Bottles with Polyvinyl Cap) to minimise gel-to-environment exposure by reducing the contact surface area. These were considered more likely to deliver stability than thin-wall tubes with poorly-fitting broad capsBack to article page