"study number","owner","title","investigators","doi","time period"
"02346","SAMHDA","Washington, DC, Metropolitan Area Drug Study (DC*MADS), 1991: Homeless and Transient Population","United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse","http://dx.doi.org/10.3886/ICPSR02346.v2","1991"
"02155","SAMHDA","Washington, DC, Metropolitan Area Drug Study (DC*MADS), 1991: Household and Non-Household Populations","United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse","http://dx.doi.org/10.3886/ICPSR02155.v3","1991"