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At a glance: Research

Research papers

Research paper

Instrumental variable meta-analysis of aggregated randomized drug trial data for evaluating proposed target mechanisms

ResearchEffect of reductions in amyloid levels on cognitive change in randomized trials
Research paper

Covid-19 deaths in Africa: prospective systematic postmortem surveillance study

EditorialCovid-19 in Africa
Research paper

Use of SNP chips to detect rare pathogenic variants

BMJ opinionSNP chips perform poorly for detecting very rare genetic variants
Research paper

Early initiation of prophylactic anticoagulation for prevention of covid-19 mortality in patients admitted to hospital

1 response
EditorialProphylactic anticoagulation for patients in hospital with covid-19
Research paper

Association of first trimester prescription opioid use with congenital malformations in the offspring

Research paper

Association between use of macrolides in pregnancy and risk of major birth defects

1 response
Research paper

Association between antihypertensive treatment and adverse events

Research paper

Prospective validation of Canadian TIA Score and comparison with ABCD2 and ABCD2i for subsequent stroke risk after transient ischaemic attack

Research paper

Use of high dose cyproterone acetate and risk of intracranial meningioma in women

1 response
Research paper

Associations of cereal grains intake with cardiovascular disease and mortality across 21 countries

2 responses
Research paper

Update to living systematic review on prediction models for diagnosis and prognosis of covid-19

Research paper

Effect of redundant clinical trials from mainland China evaluating statins in patients with coronary artery disease

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