Talvez deva tentar algumas variações de ortografia:
espinal nerve » spinal nerve (Expandir a Pesquisa), spinal nerves (Expandir a Pesquisa), spiral nerve (Expandir a Pesquisa)
absent nerve » abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa), absent native (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
bent nerve » mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
i espinal » _ espinal (Expandir a Pesquisa), a espinal (Expandir a Pesquisa), f espinal (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i absent » ii absent (Expandir a Pesquisa), _ absent (Expandir a Pesquisa), 1 absent (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can bddcs (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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 absent nerve system de ) OR ( i espinal nerve can dcs ))) OR ( j bent nerve system de ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i absent nerve system de ) or ( i espinal nerve can dcs ))) or ( j bent nerve system de ))*.