Talvez deva tentar algumas variações de ortografia:
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
delta nerve » beta nerve (Expandir a Pesquisa), deltoid nerve (Expandir a Pesquisa), deltas served (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
e spinal » pre spinal (Expandir a Pesquisa), die spinal (Expandir a Pesquisa), one spinal (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
a treat » _ treat (Expandir a Pesquisa), a treated (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (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: (((( e spinal nerve cyst dis ) or ( a treat nerve case dis ))) or ( j delta nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e spinal nerve cyst dis ) OR ( a treat nerve case dis ))) OR ( j delta nerve system dis ))*.