Talvez debería tentar con algunhas variantes ortográficas:
ventral nerve » femoral nerve (Expandir procura)
nerve system » nervous system (Expandir procura), drive system (Expandir procura)
detect nerve » direct nerve (Expandir procura), detect neural (Expandir procura), detect novel (Expandir procura)
nerve cyst » nerve cystic (Expandir procura), nerve cat (Expandir procura), nerve ct (Expandir procura)
cena nerve » renal nerve (Expandir procura), beta nerve (Expandir procura), central nerve (Expandir procura)
system dis » system dias (Expandir procura), system dcs (Expandir procura), system dds (Expandir procura)
a ventral » _ ventral (Expandir procura), a ventura (Expandir procura)
cyst dis » cyst due (Expandir procura), cyst d (Expandir procura), cyst dna (Expandir procura)
j detect » j detects (Expandir procura), _ detect (Expandir procura), 2 detect (Expandir procura)
case di » case did (Expandir procura), case dti (Expandir procura), case de (Expandir procura)
a cena » na cena (Expandir procura)

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 ventral nerve cyst dis ) or ( a cena nerve system dis ))) or ( j detect nerve case di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a ventral nerve cyst dis ) OR ( a cena nerve system dis ))) OR ( j detect nerve case di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a ventral nerve cyst dis ) or ( a cena nerve system dis ))) or ( j detect nerve case di ))*.