Talvez deva tentar algumas variações de ortografia:
neural system » neural systems (Expandir a Pesquisa), neural stem (Expandir a Pesquisa), neuron system (Expandir a Pesquisa)
detect neural » detect natural (Expandir a Pesquisa), direct neural (Expandir a Pesquisa), affect neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), absent nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
system due » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a center (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: (( a cent nerve system dis ) or ((( _ detect neural system dis ) or ( j benet nerve system due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a cent nerve system dis ) OR ((( _ detect neural system dis ) OR ( j benet nerve system due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a cent nerve system dis ) or ((( _ detect neural system dis ) or ( j benet nerve system due ))))*.