Talvez deva tentar algumas variações de ortografia:
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
ventral drive » central drive (Expandir a Pesquisa), central driver (Expandir a Pesquisa), neutral drives (Expandir a Pesquisa)
censo nerve » sensory nerve (Expandir a Pesquisa)
neural cyst » neural cest (Expandir a Pesquisa), neural cost (Expandir a Pesquisa), neural crest (Expandir a Pesquisa)
nerve rat » nerve rate (Expandir a Pesquisa), nerve root (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
system d » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa), system des (Expandir a Pesquisa)
i censo » o censo (Expandir a Pesquisa), _ censo (Expandir a Pesquisa), do censo (Expandir a Pesquisa)
rat _ » fat _ (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 censo nerve rat _ ) OR ( i central neural cyst due ))) OR ( _ ventral drive system d ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i censo nerve rat _ ) or ( i central neural cyst due ))) or ( _ ventral drive system d ))*.