Talvez deva tentar algumas variações de ortografia:
direct neural » direct neuronal (Expandir a Pesquisa), direct peroral (Expandir a Pesquisa), direct oral (Expandir a Pesquisa)
cranial nerve » facial nerve (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
neural cat » neural cest (Expandir a Pesquisa), neural cost (Expandir a Pesquisa), neural co (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
ai direct » a direct (Expandir a Pesquisa), i direct (Expandir a Pesquisa), ii direct (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
_ absent » _ absence (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)

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: (( ai direct neural cat dis ) or ((( _ cranial nerve cyst dis ) or ( _ absent nerve cyst dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( ai direct neural cat dis ) OR ((( _ cranial nerve cyst dis ) OR ( _ absent nerve cyst dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( ai direct neural cat dis ) or ((( _ cranial nerve cyst dis ) or ( _ absent nerve cyst dis ))))*.