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Food Security, agricultural technology and policy – the case of maize in sub-Saharan Africa

This paper discusses food security and the African food crisis. By means of data from a survey of over 3000 farm households in eight sub-Saharan countries, the authors conclude that food security requires a broad integration of smallholders in the market. Subsistence orientation does not promote food security, while seed fertilizer technology does. Market integration of maize producers seems to be

Linkage between inherited resistance to activated protein C and factor V gene mutation in venous thrombosis

Resistance to activated protein C (APC) is a major cause of familial thrombophilia, and can be corrected by an anticoagulant activity expressed by purified factor V. We investigated linkage between APC resistance and the factor V gene in a large kindred with familial thrombophilia. Restriction fragment length polymorphisms in exon 13 of the factor V gene were informative in 14 family members. The