Talvez debería tentar con algunhas variantes ortográficas:
current nerve » recurrent nerve (Expandir procura), current service (Expandir procura), current energy (Expandir procura)
benign nerve » benign nevi (Expandir procura), benign neck (Expandir procura), benign beale (Expandir procura)
crest nerve » treat nerve (Expandir procura), crest derived (Expandir procura), correct nerve (Expandir procura)
nerve cyst » nerve cystic (Expandir procura), nerve ct (Expandir procura), nerve cut (Expandir procura)
nerve cat » nerve can (Expandir procura), nerve ct (Expandir procura), nerve cut (Expandir procura)
case dis » case disc (Expandir procura), case did (Expandir procura), case di (Expandir procura)
j benign » j benigno (Expandir procura), _ benign (Expandir procura), a benign (Expandir procura)
_ crest » _ create (Expandir procura), _ credit (Expandir procura)
cat dis » cat did (Expandir procura), cat diets (Expandir procura), cat bias (Expandir procura)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( a current nerve cyst due ) or ( _ crest nerve case dis ))) or ( j benign nerve cat dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a current nerve cyst due ) OR ( _ crest nerve case dis ))) OR ( j benign nerve cat dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a current nerve cyst due ) or ( _ crest nerve case dis ))) or ( j benign nerve cat dis ))*.