Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), ac current (Expandir a Pesquisa), j curran (Expandir a Pesquisa)
dell nee » dell anne (Expandir a Pesquisa), dell e (Expandir a Pesquisa)
nee cyst » free cyst (Expandir a Pesquisa)
j dell » j della (Expandir a Pesquisa), j delp (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: (( j current nerve cyst due ) or ((( j dell nee cyst dis ) or ( a central nerve system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j current nerve cyst due ) OR ((( j dell nee cyst dis ) OR ( a central nerve system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j current nerve cyst due ) or ((( j dell nee cyst dis ) or ( a central nerve system dis ))))*.