Only after extensive X-ray studies in 1933 was the painting restored to something resembling its original.
Special X-ray studies may sometimes be needed in men under 60 who are suspected of having problems in the penile artery.
Porteus focused on cephalometry, linking head size to intelligence, and X-ray studies.
X-ray crystallographic studies have revealed five subsites on the protein.
Then low-level X-ray studies will help detect any changes in lean body mass.
He said an X-ray study of the work had revealed another painting underneath, a rustic landscape with trees, houses and several figures.
A systematic X-ray crystallographic study of the silicates was undertaken in the 1920s.
Recent X-ray studies show a good match for the expected age.
There were X-ray studies, and reams of learned radiologists reports.
He ordered a more sophisticated X-ray study, a tomogram.