共 50 条
- [33] COVID-19 vaccine hesitancy: a midwifery survey into attitudes towards the COVID-19 vaccine [J]. BMC Public Health, 22
- [35] VIEWPOINT: COVID-19 Understanding COVID-19 vaccine efficacy [J]. SCIENCE, 2020, 370 (6518) : 763 - 765
- [37] Restrictions on the use of placebo in new COVID-19 vaccine trials [J]. European Journal of Clinical Pharmacology, 2022, 78 : 147 - 148