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Gratis Versus Libre
Stroke and Vascular Neurology
Contact aspiration versus stent retriever thrombectomy for acute basilar artery occlusion (ANGEL-COAST): rationale and design of a multicentre, prospective, randomised, open-label, blinded-endpoint trial
2025
Background Contact aspiration (CA) and stent retriever (SR) thrombectomy are two equally recommended first-line endovascular techniques for treating acute ischaemic stroke due to large vessel occlusion. Whether CA is more effective in achieving complete reper…
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Gratis Versus Libre

Two meanings of "free" in English

The English adjective free is commonly used in one of two meanings: "at no monetary cost" ( gratis ) and "with little or no restriction" ( libre ). This ambiguity of free can cause issues where the distinction is important, as it often is in dealing with laws concerning the use of information, such as copyright and patents.

The terms gratis and libre may be used to categorise intellectual property, particularly computer programs, according to the licenses and legal restrictions that cover them, in the free software and open source communities, as well as the broader free culture movement.

Exploring foci of:
Stroke and Vascular Neurology
Contact aspiration versus stent retriever thrombectomy for acute basilar artery occlusion (ANGEL-COAST): rationale and design of a multicentre, prospective, randomised, open-label, blinded-endpoint trial
2025
Background Contact aspiration (CA) and stent retriever (SR) thrombectomy are two equally recommended first-line endovascular techniques for treating acute ischaemic stroke due to large vessel occlusion. Whether CA is more effective in achieving complete reperfusion compared with SR in patients with acute basilar artery occlusion (ABAO) remains unclear. Aim This study aims to compare the efficacy and safety of CA versus SR as the first-line strategy during endovascular treatment in improving the rates of first-pass…
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