Federico Villareal

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BACKGROUND The first cases of multiple sclerosis (MS) in Panama were notified in the 1980s and it was considered a low-risk region for this disease. Between 2000 and 2005, a prevalence study was conducted to characterize MS in Panama. METHODS An instrument was developed to gather information from clinical files and interviews with previous informed(More)
This article describes the Women's Population and Development (WPD) program among rural women in 35 poor counties in 10 provinces in China in 1988. The provinces included Xinjiang, Gansu, Qinghai, Ningxia, Inner Mongolia, Shaanxi, Shanxi, Guizhou, Hubei, and Anhui, which are mostly located in the arid northwest or pastoral northeast China. The study area(More)
Governments and international donors have long financed tractors for small farmers in the backward rural areas as a means of increasing their standard of living and promoting development. Past experiences in the provision of collective tractors to these areas showed negative results in that the tractors ended up benefiting mostly better-off farmers or were(More)
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