12:31Past MasterSeries 4Episode 4: Bed Rest, Pine Trees and Fresh Air: Welsh SanatoriaBBC Radio Wales Duration: 29 minutes Sun 31st Aug 2008, 12:31 on BBC Radio Wales MWPhil Carradice investigates the history of Welsh tuberculosis sanatoria through the testimonies of former patients.GenresFactualHistoryBrandPast MasterSeriesPast Master: Series 4 Source: BBC Online