Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
nerve catt » nerve cat (Expandir a Pesquisa), nerve fatty (Expandir a Pesquisa), nerve can (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
case di » case did (Expandir a Pesquisa), case dti (Expandir a Pesquisa), case de (Expandir a Pesquisa)
catt d » matt d (Expandir a Pesquisa), watt d (Expandir a Pesquisa), catt k (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 central nerve case di ) or ((( j benign nerve catt d ) or ( j benign nerve system de ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j central nerve case di ) OR ((( j benign nerve catt d ) OR ( j benign nerve system de )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j central nerve case di ) or ((( j benign nerve catt d ) or ( j benign nerve system de ))))*.