Methods used by Farmer, et al include collecting data from the study done in Baltimor in the 1990's. They analyzed the statistics and observations found as main points of their argument. The model used in Haiti and the results from other methods implemented by physicians in those areas are also used as arguments to strengthen the article.
This report addresses the issues of bias and discrimination, which is important for technical professionals to know so that they can avoid making these errors in judgement and provide proper standard of care to everyone. This is important because 19% of the respondents were refused treatment at one point, which is absolutely terrible.
The authors of this article are Andrew Lakoff and Stephen Collier. Both are anthropologists. Andrew works at USC and Stephen is the Director of Philosophy at The New School. They have both written many articles, several of which were written together.
The authors range from a variety of institutions including: Stockholm International Peace Research Institute in Sweden, Karolinska Institute in Sweden, Fafo Research Institute in Norway, and King's College London in the UK. The main author, Ludvig Foghammar, seems to have a lot of knowledge in economics, political science, and global health (according to his LinkedIn). He has served as Officer for European Affairs for the Swedish Embassy in Vienna, and a researcher at the Stockholm International Peace Research Institute.
OSHA is constantly releasing publications about new chemicals found in the workplace with risks and regulations that should be put in place. The archive on their website is vast with publications about anything ranging from Ebola, to Hand and power tools.
While this policy doesn't directly address public health, it does concern the rights and protection of displaced persons. They recognize the stressful situations that refugees are in and that welfare resources will be needed to help them. They discuss housing rights and rights to public education. While these might not be medical treatments, they would help with public health and are associated with overall well-being of these refugees.