{ "items": [ "\n\n
\n \n Journal article\n \n
\n \n\n \n \n \nBurton MJ., Cochrane Database of Systematic Reviews
\n \n \n \n\n
\n \n \n \n\n \n Journal article\n \n
\n \n\n \n \n \nBurton MJ., Cochrane Database of Systematic Reviews
\n \n \n \n\n
\n \n \n \n