Talvez deva tentar algumas variações de ortografia:
reserve systems » reserve system's (Expandir a Pesquisa), reserved systems (Expandir a Pesquisa), reserve system (Expandir a Pesquisa)
mental reserve » central reserve (Expandir a Pesquisa), renal reserve (Expandir a Pesquisa), metal reserves (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa)
systems das » systems dss (Expandir a Pesquisa), systems dds (Expandir a Pesquisa), systems data (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
cn tdcs » can tdcs (Expandir a Pesquisa)
i renal » ii renal (Expandir a Pesquisa), i real (Expandir a Pesquisa)
nerve c » nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a center (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.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a cent nerve cn tdcs ) OR ( i renal nerve c dis ))) OR ( j mental reserve systems das ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cent nerve cn tdcs ) or ( i renal nerve c dis ))) or ( j mental reserve systems das ))*.