https://cran.r-universe.dev/vcfheaderhttps://cran.r-universe.dev/api/packages/vcfheaderhttps://cran.r-universe.dev/vcfheader/vcfheader.pdfhttps://cran.r-universe.dev/vcfheader/doc/manual.htmlhttps://cran.r-universe.dev/vcfheader/NEWShttps://cran.r-universe.dev/vcfheader/NEWS.txthttps://cran.r-universe.dev/vcfheader/citationhttps://cran.r-universe.dev/vcfheader/citation.txthttps://cran.r-universe.dev/vcfheader/citation.cffhttps://cran.r-universe.dev/vcfheader/doc/vcfheader-intro.Rmdhttps://cran.r-universe.dev/articles/vcfheader/vcfheader-intro.html