a signed and dated version ofthat plan should be included with the manuscript submission. TheJournalencourages authors to deposit SAPs for observational studies in one of the online repositories designed for this purpose.
submission@nejmqianyan.cn 参考文献 [1] Kwong JC, Schwartz KL, Campitelli MA, et al. Acute myocardial infarction after laboratory-confirmed influenza infection. N Engl J Med 2018;378:345-53. [2] Smeeth L, Thomas SL, Hall AJ, Hubbar...