doi2rpkgcita = \(doi){
return(rcrossref::cr_cn(dois = doi, format = "bibentry"))
}
pagedown::chrome_print('./xxxxx.html',
'./xxxxx.pdf')
pdftools::pdf_convert(
"./xxxxx.pdf",
format = "png",
pages = NULL,
filenames = sprintf("./xxxxx/fig_%02d.png", 1:??),
dpi = 300
)