Talvez deva tentar algumas variações de ortografia:
deltoid versus » delayed versus (Expandir a Pesquisa), colloid versus (Expandir a Pesquisa), diploid versus (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
versus system » versus systemic (Expandir a Pesquisa), venous system (Expandir a Pesquisa), virus system (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
i bent » i benth (Expandir a Pesquisa), i benet (Expandir a Pesquisa), i bento (Expandir a Pesquisa)
a dis » a disc (Expandir a Pesquisa), a dos (Expandir a Pesquisa), a des (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: (((( a current nerve cyst dis ) or ( i bent nerve a dis ))) or ( _ deltoid versus system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a current nerve cyst dis ) OR ( i bent nerve a dis ))) OR ( _ deltoid versus system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a current nerve cyst dis ) or ( i bent nerve a dis ))) or ( _ deltoid versus system dis ))*.