Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
crest derived » host derived (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system due » system der (Expandir a Pesquisa)
derived ca » derived car (Expandir a Pesquisa), derived c3a (Expandir a Pesquisa), derived cao (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
erin ahn » erin ann (Expandir a Pesquisa), erin anne (Expandir a Pesquisa), erin a (Expandir a Pesquisa)
a crest » _ crest (Expandir a Pesquisa), a creusot (Expandir a Pesquisa), a crespo (Expandir a Pesquisa)
ahn die » ahn dae (Expandir a Pesquisa), ahn dih (Expandir a Pesquisa), ahn diane (Expandir a Pesquisa)
ca dis » la dis (Expandir a Pesquisa), da dis (Expandir a Pesquisa)
j neal » c neal (Expandir a Pesquisa), j neil (Expandir a Pesquisa), a neal (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 central nerve system due ) or ( a crest derived ca dis ))) or ( j neal erin ahn die ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system due ) OR ( a crest derived ca dis ))) OR ( j neal erin ahn die )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system due ) or ( a crest derived ca dis ))) or ( j neal erin ahn die ))*.