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), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
centri nerve » central nerve (Expandir a Pesquisa), centre nere (Expandir a Pesquisa), centri nervosi (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
ai centri » dai centri (Expandir a Pesquisa), di centri (Expandir a Pesquisa), i centri (Expandir a Pesquisa)
l mengual » l amengual (Expandir a Pesquisa), m mengual (Expandir a Pesquisa), e mengual (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a center (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( a cent nerve a dis ) or ( ai centri nerve c dis ))) or ( l mengual reserve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a cent nerve a dis ) OR ( ai centri nerve c dis ))) OR ( l mengual reserve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cent nerve a dis ) or ( ai centri nerve c dis ))) or ( l mengual reserve system dis ))*.