title: Effect of legislation on the introduction of drugs. Is there a drug lag?
authors.forename: P
authors.initials: P
authors.lastname: de Haen
mesh_terms: D004345:Drug Industry; D005602:France; D005860:Germany, West; D007558:Italy; D007880:Legislation, Drug; D013997:Time Factors; D006113:United Kingdom; D014481:United States