Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
bei reserve » de reserve (Expandir a Pesquisa), ii reserve (Expandir a Pesquisa), key reserve (Expandir a Pesquisa)
system das » system dias (Expandir a Pesquisa), systems das (Expandir a Pesquisa), system des (Expandir a Pesquisa)
mehta nave » mehta naveen (Expandir a Pesquisa), mehta navin (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
nave cyst » nave costa (Expandir a Pesquisa), nerve cyst (Expandir a Pesquisa), valve cyst (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
cat dis » cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
k mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa)
ai bei » cai bei (Expandir a Pesquisa), kai bei (Expandir a Pesquisa), lai bei (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: (((( i current nerve cat dis ) OR ( ai bei reserve system das ))) OR ( k mehta nave cyst dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i current nerve cat dis ) or ( ai bei reserve system das ))) or ( k mehta nave cyst dis ))*.