Spike in fatal medication errors at the beginning of each month.
Phillips DP, Jarvinen JR, Phillips RR. A spike in fatal medication errors at the beginning of each month. Pharmacotherapy. 2005;25(1):1-9.
This study found a 25% increased rate of medication error deaths at the beginning of each month, a finding the authors explore with several potential explanations, including increased pharmacy workload and error rates.