Large-scale, prospective, observational studies in patients with psoriasis and psoriatic arthritis: A systematic and critical review
<p>Abstract</p> <p>Background</p> <p>Observational studies, if conducted appropriately, play an important role in the decision-making process providing invaluable information on effectiveness, patient-reported outcomes and costs in a real-world environment. We conducted...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2011-03-01
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Series: | BMC Medical Research Methodology |
Online Access: | http://www.biomedcentral.com/1471-2288/11/32 |