Fig. 3
From: Critical Reliability Issues of Common Type Alcohol-Based Handrub Dispensers
Decrease of dispensed handrub volume over time. Values are mean ± SD of n = 5 repeated measures, except for dispenser #G, #H, #I, #J, #K and #P (n = 2–3). Dispensers labeled with colorful marks will be also shown in later figures, using the same colors