Talvez deva tentar algumas variações de ortografia:
reserved system » reserved systems (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), resolved system (Expandir a Pesquisa)
renal reserved » renal reserve (Expandir a Pesquisa), renal reversed (Expandir a Pesquisa), adrenal reserves (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
nerve can » nerve canal (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 center » j centner (Expandir a Pesquisa), j centeno (Expandir a Pesquisa), j cestero (Expandir a Pesquisa)
system d » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa), system des (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
nerve i » nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j renal » j real (Expandir a Pesquisa), j renaldi (Expandir a Pesquisa), j renato (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 center nerve can dis ) or ( i central nerve i disc ))) or ( j renal reserved system d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j center nerve can dis ) OR ( i central nerve i disc ))) OR ( j renal reserved system d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j center nerve can dis ) or ( i central nerve i disc ))) or ( j renal reserved system d ))*.