d STB-54 gr43. Overlaying graphs
d STB insert by  Adrian Mander, MRC biostatistics unit, Cambridge, UK
d Support:   adrian.mander@@mrc-bsu.cam.ac.uk
d After installation, see help ^overlay^

f gr43/overlay.ado 
f gr43/overlay.do 
f gr43/overlay.hlp 
f gr43/pef.dta