Mellor R, Ritter A. Redressing responses to the treatment gap for people with alcohol problems: the overlooked role of untreated remission from alcohol problems. SUCHT. 2020 Feb 19;66(1). doi: 10.1024/0939-5911/a000640
Edwards PET, Parsons GR, Myers KH. The economic value of viewing migratory shorebirds on the Delaware Bay: an application of the single-site travel cost model using on-site data. Hum Dimens Wildl. 2011;16(6):435-44. doi: 10.1080/10871209.2011.608180