Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
renal reserve » adrenal reserve (Expandir a Pesquisa), legal reserve (Expandir a Pesquisa), adrenal reserves (Expandir a Pesquisa)
center nurse » center nurses (Expandir a Pesquisa), letter nurse (Expandir a Pesquisa), cancer nurse (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcus (Expandir a Pesquisa), system di (Expandir a Pesquisa)
nurse case » nurse care (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (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: (((( a center nurse case dis ) or ( i cent nerve cyst due ))) or ( a renal reserve system dias ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a center nurse case dis ) OR ( i cent nerve cyst due ))) OR ( a renal reserve system dias )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a center nurse case dis ) or ( i cent nerve cyst due ))) or ( a renal reserve system dias ))*.