Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
a ventral » a ventura (Expandir a Pesquisa)
nevi cyst » nevi case (Expandir a Pesquisa), nevi cns (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), i benign (Expandir a Pesquisa), ii benign (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (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: (( a ventral nerve system dis ) or ((( j bent nerve cyst d ) or ( j benign nevi cyst due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a ventral nerve system dis ) OR ((( j bent nerve cyst d ) OR ( j benign nevi cyst due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a ventral nerve system dis ) or ((( j bent nerve cyst d ) or ( j benign nevi cyst due ))))*.