Talvez deva tentar algumas variações de ortografia:
nerves system » nerve system (Expandir a Pesquisa), nerven system (Expandir a Pesquisa), nervous system (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
renal nerves » cranial nerves (Expandir a Pesquisa), retinal nerve (Expandir a Pesquisa), spinal nerves (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
case disc » cause disc (Expandir a Pesquisa), age disc (Expandir a Pesquisa), case di (Expandir a Pesquisa)
cyst dis » cyst due (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: (( 1 current nerve cyst dis ) or ((( j renal nerve case disc ) or ( j renal nerves system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 1 current nerve cyst dis ) OR ((( j renal nerve case disc ) OR ( j renal nerves system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 1 current nerve cyst dis ) or ((( j renal nerve case disc ) or ( j renal nerves system dis ))))*.