Results 201 to 210 of about 16,306,233 (302)

The Morphological and Mechanistic Impact of an Investment Procedure on Coronary Chronic Total Occlusions. [PDF]

open access: yesJ Soc Cardiovasc Angiogr Interv
Øksnes A   +13 more
europepmc   +1 more source

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen   +5 more
wiley   +1 more source

Redistributive land reforms, agricultural productivity, and structural change: New cross‐national evidence

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Large‐scale land reforms constitute a substantial redistribution of wealth and reallocation of agricultural land, which is a major form of asset and production input in developing countries. While land redistribution (from the rich to the poor) remains a highly controversial issue, extensive evidence on its effect is limited.
Devashish Mitra   +3 more
wiley   +1 more source

Policy analysis and expert consultation on cross-border telehealth services. [PDF]

open access: yesBull World Health Organ
Perrin Franck C   +5 more
europepmc   +1 more source

Preferential trading in agriculture: New insights from a structural gravity analysis and machine learning

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Preferential trade agreements (PTAs) contain various non‐tariff provisions, yet identifying their trade effects remains challenging because these commitments are high‐dimensional and strongly correlated within agreements. We estimated a theory‐consistent structural gravity model with domestic flows for 26 agricultural subsectors over 1988–2017
Dongin Kim, Sandro Steinbach
wiley   +1 more source

Occupation and oncology: cancer care in Palestine. [PDF]

open access: yesFront Oncol
Mula-Hussain L   +10 more
europepmc   +1 more source

The role of venture‐financed startups in innovation for US agriculture

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract To evaluate the role played by startup companies in the innovation ecosystem of US agriculture, we compile a unique dataset of 6024 new entrants founded 1987–2019 that details their financing lifecycles, annual economic performance, and patenting activities.
Gregory D. Graff   +2 more
wiley   +1 more source

Beyond PrEP: The Imperative for an HIV Vaccine to End the Epidemic in Africa. [PDF]

open access: yesVaccines (Basel)
Ndembi N   +7 more
europepmc   +1 more source

Reduced‐Port Laparoscopic Colectomy for Colorectal Cancer: The Comparison That Matters Now Is With Reduced‐Access Robotic Surgery

open access: yes
Annals of Gastroenterological Surgery, EarlyView.
Mehmet Mahir Özmen   +2 more
wiley   +1 more source

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