Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
benign nevi » benign neck (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
i ventral » _ ventral (Expandir a Pesquisa), i ventura (Expandir a Pesquisa), mice ventral (Expandir a Pesquisa)
nevi cyst » nevi case (Expandir a Pesquisa), nevi cns (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), i benign (Expandir a Pesquisa), ii benign (Expandir a Pesquisa)
j crest » _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa), 5 crest (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (Expandir a Pesquisa)
cn dcs » can dcs (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j crest nerve cyst d ) OR ( i ventral nerve cn dcs ))) OR ( j benign nevi cyst d ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j crest nerve cyst d ) OR ( i ventral nerve cn dcs ))) OR ( j benign nevi cyst d ))*.