Talvez deva tentar algumas variações de ortografia:
central neural » central neurons (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
neural case » neutral case (Expandir a Pesquisa), neural bases (Expandir a Pesquisa), neural based (Expandir a Pesquisa)
bento nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j bento » j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa), j benzo (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j 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: (((( j cent nerve system di ) or ( i central neural case dis ))) or ( j bento nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cent nerve system di ) OR ( i central neural case dis ))) OR ( j bento nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cent nerve system di ) or ( i central neural case dis ))) or ( j bento nerve case dis ))*.