Perhaps you should try some spelling variations:
blcoll fisiologia » dlco fisiologia
sprague studies » spruce studies, sprachen studien, suffrage studies
studies blcoll » studies blood, studies incols, studies nicole
fisiologia a » fisiologia e, fisiologia 1, fisiologia 2
rats » rate, rays

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: (rats OR rat) sprague studies blcoll fisiologia a literature.
• Adding a wildcard symbol may retrieve word variants: (rats or rat) sprague studies blcoll fisiologia a literature*.