Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
crest derived » host derived (Expandir a Pesquisa)
delton nerve » deltoid nerve (Expandir a Pesquisa), dentin nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
derived van » derived von (Expandir a Pesquisa), derived va (Expandir a Pesquisa), derived vapc (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
system due » system der (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
j crest » _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa), 5 crest (Expandir a Pesquisa)
van de » van der (Expandir a Pesquisa), van den (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 crest derived van de ) or ((( j delton nerve system dis ) or ( a ventral nerve system due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j crest derived van de ) OR ((( j delton nerve system dis ) OR ( a ventral nerve system due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j crest derived van de ) or ((( j delton nerve system dis ) or ( a ventral nerve system due ))))*.