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Screening for distress, the 6th vital sign: common problems in cancer outpatients over one year in usual care: associations with marital status, sex, and age

Janine Giese-Davis*, Amy Waller, Linda E Carlson, Shannon Groff, Lihong Zhong, Eric Neri, Sacha M Bachor, Jassandre Adamyk-Simpson, Kate MS Rancourt, Bernie Dunlop and Barry D Bultz

BMC Cancer 2012, 12:441  doi:10.1186/1471-2407-12-441