Perhaps you should try some spelling variations:
center nurse » center nurses (Expand Search), better nurse (Expand Search), letter nurse (Expand Search)
nerve caused » nerve case (Expand Search), nerve based (Expand Search), nerve crush (Expand Search)
benzo nerve » bent nerve (Expand Search), benign nerve (Expand Search)
neck cases » neck case (Expand Search), neck masses (Expand Search), neck based (Expand Search)
caused di » caused dips (Expand Search), caused due (Expand Search), caused dna (Expand Search)
j center » j centner (Expand Search), j centeno (Expand Search), j cestero (Expand Search)
nurse en » nurse e (Expand Search), nurse ewan (Expand Search), nurse can (Expand Search)
a benign » _ benign (Expand Search)
cases di » cases did (Expand Search), cases doi (Expand Search), cases de (Expand Search)
j benzo » j bento (Expand Search), j benito (Expand Search), j benton (Expand Search)
en dis » en dios (Expand Search), en dias (Expand Search), en die (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

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: (( j center nurse en dis ) OR ((( j benzo nerve caused di ) OR ( a benign neck cases di ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j center nurse en dis ) or ((( j benzo nerve caused di ) or ( a benign neck cases di ))))*.