Talvez deva tentar algumas variações de ortografia:
abducent nerve » abducens nerve (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
j abducent » _ abducent (Expandir a Pesquisa), _ abducens (Expandir a Pesquisa), i abducens (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
a dos » e dos (Expandir a Pesquisa), a dog (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: (((( 1hfj central nerve system dis ) or ( i cent nerve a dos ))) or ( j abducent nerve a dos ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 1hfj central nerve system dis ) OR ( i cent nerve a dos ))) OR ( j abducent nerve a dos )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 1hfj central nerve system dis ) or ( i cent nerve a dos ))) or ( j abducent nerve a dos ))*.