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)
narvaez cyst » narvaez castro (Expandir a Pesquisa), narvaez cesar (Expandir a Pesquisa), narvaez jose (Expandir a Pesquisa)
derived cat » derived cast (Expandir a Pesquisa), derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa)
i ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
j crespo » a crespo (Expandir a Pesquisa), _ crespo (Expandir a Pesquisa), m crespo (Expandir a Pesquisa)
nerve co » nerve c (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
j benito » j benitez (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (Expandir a Pesquisa)
cyst e » cyst _ (Expandir a Pesquisa), cyst a (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 crespo derived cat dis ) OR ( i ventral nerve co dce ))) OR ( j benito narvaez cyst e ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j crespo derived cat dis ) OR ( i ventral nerve co dce ))) OR ( j benito narvaez cyst e ))*".