Lei Qian to Observational Studies as Topic
This is a "connection" page, showing publications Lei Qian has written about Observational Studies as Topic.
Connection Strength
0.080
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Association of Number of Doses With Hepatitis B Vaccine Series Completion in US Adults. JAMA Netw Open. 2020 11 02; 3(11):e2027577.
Score: 0.046
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Risk of Preterm or Small-for-Gestational-Age Birth After Influenza Vaccination During Pregnancy: Caveats When Conducting Retrospective Observational Studies. Am J Epidemiol. 2016 08 01; 184(3):176-86.
Score: 0.034