Media type: E-Article Title: Use of Proxy Variables to Determine the Impact of Protocol Complexity on Clinical Research Site Productivity Contributor: Morin, David J. Published: Springer Science and Business Media LLC, 2019 Published in: Therapeutic Innovation & Regulatory Science, 53 (2019) 1, Seite 52-58 Language: English DOI: 10.1177/2168479018769290 ISSN: 2168-4790; 2168-4804 Keywords: Pharmacology (medical) ; Public Health, Environmental and Occupational Health ; Pharmacology, Toxicology and Pharmaceutics (miscellaneous) Origination: Footnote: