Talvez deva tentar algumas variações de ortografia:
central river » central driver (Expandir a Pesquisa), central drive (Expandir a Pesquisa), central fever (Expandir a Pesquisa)
detect novel » detect non (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
ii central » i central (Expandir a Pesquisa), piaui central (Expandir a Pesquisa), coli central (Expandir a Pesquisa)
system due » system der (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
novel cat » novel ca (Expandir a Pesquisa), novel ca2 (Expandir a Pesquisa), novel cap (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j detect » je detect (Expandir a Pesquisa), _ detect (Expandir a Pesquisa), 2 detect (Expandir a Pesquisa)
cat diet » cat diets (Expandir a Pesquisa), fat diet (Expandir a Pesquisa), eat diet (Expandir a Pesquisa)
i renal » ii renal (Expandir a Pesquisa), i real (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: (((( ii central river system due ) or ( i renal nerve cyst dis ))) or ( j detect novel cat diet ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( ii central river system due ) OR ( i renal nerve cyst dis ))) OR ( j detect novel cat diet )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( ii central river system due ) or ( i renal nerve cyst dis ))) or ( j detect novel cat diet ))*.