Talvez deva tentar algumas variações de ortografia:
america reserve » america research (Expandir a Pesquisa), america resena (Expandir a Pesquisa), american research (Expandir a Pesquisa)
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
j america » j americo (Expandir a Pesquisa), 2j american (Expandir a Pesquisa), j amelia (Expandir a Pesquisa)
cat dis » cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
c dis » c dias (Expandir a Pesquisa), c disc (Expandir a Pesquisa), c dos (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a central nerve cat dis ) OR ( i central nerve c dis ))) OR ( j america reserve system dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a central nerve cat dis ) or ( i central nerve c dis ))) or ( j america reserve system dis ))*.