Hi Stephan,

Thanks Claus. I've not tried the second way as I was trying to avoid
macros but the first works as desired (just had to work my way through
the mids and finds)

a little bit shorter:
=HYPERLINK("https://www.ncbi.nlm.nih.gov/pubmed/?term="&SUBSTITUTE(LEFT(A1,FIND(",",A1)+2),", ","+")&"[au]",MID(A1,FIND(",",A1)+2,1)&" "&LEFT(A1,FIND(",",A1)-1)&" Publications")

Claus