Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
dentin nerve » dental nerve (Expandir a Pesquisa), dentin derived (Expandir a Pesquisa), dental nerves (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
a dentin » a dentina (Expandir a Pesquisa), _ dentin (Expandir a Pesquisa), a dentist (Expandir a Pesquisa)
j treat » j threat (Expandir a Pesquisa), _ treat (Expandir a Pesquisa), a treat (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (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 treat nerve system dis ) or ( i central nerve cat dis ))) or ( a dentin nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j treat nerve system dis ) OR ( i central nerve cat dis ))) OR ( a dentin nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j treat nerve system dis ) or ( i central nerve cat dis ))) or ( a dentin nerve system dis ))*.