Talvez deva tentar algumas variações de ortografia:
retinal merve » retinal nerve (Expandir a Pesquisa), retina nerve (Expandir a Pesquisa), retinal mirna (Expandir a Pesquisa)
curran nerve » current nerve (Expandir a Pesquisa), curran george (Expandir a Pesquisa), curran pierce (Expandir a Pesquisa)
benito nerve » benign nerve (Expandir a Pesquisa), benito narvaez (Expandir a Pesquisa), benito eva (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
i retinal » ii retinal (Expandir a Pesquisa), a retinal (Expandir a Pesquisa), 3 retinal (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
j curran » j currie (Expandir a Pesquisa)
j benito » j benitez (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (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.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j curran nerve cyst e ) OR ( i retinal merve can dcs ))) OR ( j benito nerve cyst e ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j curran nerve cyst e ) OR ( i retinal merve can dcs ))) OR ( j benito nerve cyst e ))*.