“… 36 Fourteen of the 29 studies (48%) collected data on homeless patients from hospitals and ED settings. 3 , 6 , 14 , 15 , 19 , 20 , 22 , 25 , 26 , 28 , 29 , 32 , 37 , 38 Shelters, 4 , 10 , 16 , 30 , 31 , 34 community health clinics, 18 , 23 , 27 , 36 and field surveys 17 , 24 , 33 were also used. Of the six prospective studies included in the analysis, two recruited homeless individuals from shelters, 10 , 23 two recruited those directly from the community through field surveys, 24 , 36 one recruited those from a community health clinic, 18 and one recruited self-identified homeless individuals from a hospital ED.…”