Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
central nerve » central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa), femoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
benign focal » benign vocal (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
focal cyst » bifocal cyst (Expandir a Pesquisa), focal cystic (Expandir a Pesquisa), focal ct (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
i ventral » ii ventral (Expandir a Pesquisa), _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa)
1 benign » a benign (Expandir a Pesquisa), 2 benign (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a dcs » a dcsk (Expandir a Pesquisa), a dos (Expandir a Pesquisa), a des (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 central nerve system dis ) OR ( i ventral nerve a dcs ))) OR ( 1 benign focal cyst dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i central nerve system dis ) or ( i ventral nerve a dcs ))) or ( 1 benign focal cyst dis ))*.