Talvez deva tentar algumas variações de ortografia:
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
neural can » neural canal (Expandir a Pesquisa), neural a (Expandir a Pesquisa), neural co (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
oral nerve » normal nerve (Expandir a Pesquisa), dorsal nerve (Expandir a Pesquisa), sural nerve (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
can diet » can direct (Expandir a Pesquisa), than diet (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (Expandir a Pesquisa)
j oral » 1 oral (Expandir a Pesquisa), j oram (Expandir a Pesquisa), j orav (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: (((( i central neural can diet ) OR ( i current nerve system dis ))) OR ( j oral nerve case di ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i central neural can diet ) or ( i current nerve system dis ))) or ( j oral nerve case di ))*.