Perhaps you should try some spelling variations:
abducent nerve » abducens nerve (Expand Search)
spinal merge » spinal mrgc (Expand Search), spinal mri (Expand Search), spinal mr (Expand Search)
ii abducent » hip abducent (Expand Search), _ abducent (Expand Search), i abducens (Expand Search)
bent nerve » absent nerve (Expand Search), mental nerve (Expand Search), dental nerve (Expand Search)
merge can » mergers can (Expand Search), mergel san (Expand Search), merge a (Expand Search)
case dis » case disc (Expand Search), case did (Expand Search), case di (Expand Search)
i spinal » a spinal (Expand Search), i spiral (Expand Search), 3 spinal (Expand Search)
can dcs » can tdcs (Expand Search), can dce (Expand Search), can bddcs (Expand Search)
j bent » j benet (Expand Search), j bento (Expand Search), j bena (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: (((( ii abducent nerve case dis ) OR ( i spinal merge can dcs ))) OR ( j bent nerve case dis ))~.
• Adding a wildcard symbol may retrieve word variants: (((( ii abducent nerve case dis ) or ( i spinal merge can dcs ))) or ( j bent nerve case dis ))*.