the study focused on the analysis of production and marketing constraints of tomato among rural farmers in talensi nabdam district of upper east region of ghana.a total of 100 respondents were interviewed using questionnaire. data was analyzed using descriptive statistics to describe the socio economic characteristics of the farmers and kendall’s coefficient of concordance was used to rank the ...

Collateral vessels are anastomoses that connect adjacent arterial trees and reroute perfusion around obstructed arteries or veins. Variation among individuals in the extent of native collaterals (ie, number or diameter) may serve as a prognostic determinant of stroke severity and improve clinical risk benefit decisions for treatment options. Angiographic studies grading collateral circulation i...