title: Health research among hard-to-reach people: six degrees of sampling.
authors.affiliation: Department of Epidemiology and Community Medicine (Aglipay, Jolly), University of Ottawa, Ottawa, Ont.; Cadham Provincial Laboratory (Wylie), Government of Manitoba, Winnipeg, Man.; Department of Community Health (Wylie), University of Manitoba. Winnipeg, Man.
authors.forename: Mary
authors.initials: M
authors.lastname: Aglipay
authors.affiliation: Department of Epidemiology and Community Medicine (Aglipay, Jolly), University of Ottawa, Ottawa, Ont.; Cadham Provincial Laboratory (Wylie), Government of Manitoba, Winnipeg, Man.; Department of Community Health (Wylie), University of Manitoba. Winnipeg, Man.
authors.forename: John L
authors.initials: JL
authors.lastname: Wylie
authors.affiliation: Department of Epidemiology and Community Medicine (Aglipay, Jolly), University of Ottawa, Ottawa, Ont.; Cadham Provincial Laboratory (Wylie), Government of Manitoba, Winnipeg, Man.; Department of Community Health (Wylie), University of Manitoba. Winnipeg, Man. ajolly@uottawa.ca.
authors.forename: Ann M
authors.initials: AM
authors.lastname: Jolly
mesh_terms: D002170:Canada; D003695:Delivery of Health Care; D006297:Health Services Accessibility; D006302:Health Services Research / Q000458:organization & administration*; D006801:Humans; D010342:Patient Acceptance of Health Care; D018579:Patient Selection; D012107:Research Design; D015983:Selection Bias