Perhaps you should try some spelling variations:
"intensive / critical laser medicine" » "intensive / critical layer medicine", "intensive / critical layers medicine", "intensive / critical case medicine", "intensive / critical based medicine", "intensive / critical cancer medicine", "intensive / critical disaster medicine"
"intensive / critical care medicine" » "intensive / critical case medicine"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("intensive / critical laser medicine") OR ("intensive / critical care medicine")).
• Removing quotes may allow a broader search: (( intensive / critical laser medicine ) or ( intensive / critical care medicine )).
• Adding a wildcard symbol may retrieve word variants: (("intensive / critical laser medicine") or ("intensive / critical care medicine"))*.