%0 Journal Article %B BMJ Qual Saf %D 2020 %N 11 %P 932-938 %R 10.1136/bmjqs-2019-010310 %T Out of sight, out of mind: a prospective observational study to estimate the duration of the Hawthorne effect on hand hygiene events %V 29 %8 03/2020 %& 932-938