Talvez deva tentar algumas variações de ortografia:
direct neural » direct neuronal (Expandir a Pesquisa), direct peroral (Expandir a Pesquisa), direct oral (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
neural cat » neural cost (Expandir a Pesquisa), neural cest (Expandir a Pesquisa), neural cyst (Expandir a Pesquisa)
when nerve » when nerves (Expandir a Pesquisa), within nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
canal de » canal _ (Expandir a Pesquisa)
cat did » coast did (Expandir a Pesquisa), what did (Expandir a Pesquisa), past did (Expandir a Pesquisa)
i renal » ii renal (Expandir a Pesquisa), i real (Expandir a Pesquisa)
j when » 1 when (Expandir a Pesquisa), 2 when (Expandir a Pesquisa), 4 when (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a direct neural cat did ) OR ( i renal nerve canal de ))) OR ( j when nerve cat did ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a direct neural cat did ) or ( i renal nerve canal de ))) or ( j when nerve cat did ))*.