Talvez deva tentar algumas variações de ortografia:
cental nervous » central nervous (Expandir a Pesquisa), central neurvous (Expandir a Pesquisa), ventral nervous (Expandir a Pesquisa)
system delay » system data (Expandir a Pesquisa), system der (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
bena nerve » beta nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
i cental » i central (Expandir a Pesquisa), _ cental (Expandir a Pesquisa), di centa (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j bena » j bela (Expandir a Pesquisa), j bent (Expandir a Pesquisa), j benham (Expandir a Pesquisa)
a due » _ due (Expandir a Pesquisa), a dye (Expandir a Pesquisa), i due (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: (( i cental nervous system delay ) or ((( j benign nerve cyst due ) or ( j bena nerve a due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i cental nervous system delay ) OR ((( j benign nerve cyst due ) OR ( j bena nerve a due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i cental nervous system delay ) or ((( j benign nerve cyst due ) or ( j bena nerve a due ))))*.