Talvez deva tentar algumas variações de ortografia:
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
cena nerve » beta nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), retina nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
ai cheng » bai cheng (Expandir a Pesquisa), kai cheng (Expandir a Pesquisa), tai cheng (Expandir a Pesquisa)
system d » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa), system des (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
de cena » de ceba (Expandir a Pesquisa)
j renal » j real (Expandir a Pesquisa), j renaldi (Expandir a Pesquisa), j renato (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: (((( ai cheng nerve cat dis ) or ( de cena nerve cat dis ))) or ( j renal nerve system d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( ai cheng nerve cat dis ) OR ( de cena nerve cat dis ))) OR ( j renal nerve system d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( ai cheng nerve cat dis ) or ( de cena nerve cat dis ))) or ( j renal nerve system d ))*.