Talvez deva tentar algumas variações de ortografia:
mengual reserve » medical reserve (Expandir a Pesquisa), legal reserve (Expandir a Pesquisa), renal reserve (Expandir a Pesquisa)
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve _at » nerve cat (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve can (Expandir a Pesquisa)
j mengual » m mengual (Expandir a Pesquisa), e mengual (Expandir a Pesquisa), l mengual (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
_at dis » rat disc (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 nerve _at dis ) or ( i cent nerve _ dis ))) or ( j mengual reserve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a center nerve _at dis ) OR ( i cent nerve _ dis ))) OR ( j mengual reserve system di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a center nerve _at dis ) or ( i cent nerve _ dis ))) or ( j mengual reserve system di ))*.