Talvez deva tentar algumas variações de ortografia:
crespo derived » crest derived (Expandir a Pesquisa), cre derived (Expandir a Pesquisa), tempo derived (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
benton nerve » benign nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
derived cat » derived cast (Expandir a Pesquisa), derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
2 ventral » a ventral (Expandir a Pesquisa)
j crespo » a crespo (Expandir a Pesquisa), d crespo (Expandir a Pesquisa), _ crespo (Expandir a Pesquisa)
nerve cg » nerve c (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa), nerve ca (Expandir a Pesquisa)
j benton » j benito (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
cg dce » co dce (Expandir a Pesquisa), ng dce (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j crespo derived cat dis ) OR ( 2 ventral nerve cg dce ))) OR ( j benton nerve system dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j crespo derived cat dis ) or ( 2 ventral nerve cg dce ))) or ( j benton nerve system dis ))*.