Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
benigno check » benign neck (Expandir a Pesquisa), benign fleck (Expandir a Pesquisa), benigno cuero (Expandir a Pesquisa)
beneto nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
check system » clock system (Expandir a Pesquisa), chen system (Expandir a Pesquisa), clock systems (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
j benigno » a benigno (Expandir a Pesquisa), c benigno (Expandir a Pesquisa), _ benigno (Expandir a Pesquisa)
2 ventral » a ventral (Expandir a Pesquisa)
j beneto » j beneyto (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benet (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (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: (((( j beneto nerve cyst dis ) OR ( j benigno check system dis ))) OR ( 2 ventral nerve cyst dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j beneto nerve cyst dis ) OR ( j benigno check system dis ))) OR ( 2 ventral nerve cyst dis ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j beneto nerve cyst dis ) OR ( j benigno check system dis ))) OR ( 2 ventral nerve cyst dis ))*.