Talvez deva tentar algumas variações de ortografia:
crespo servan » crespo hervas (Expandir a Pesquisa), crespo sara (Expandir a Pesquisa), crespo sergio (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current service (Expandir a Pesquisa), current survey (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j crespo » g crespo (Expandir a Pesquisa)
j dental » j dent (Expandir a Pesquisa), j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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 servan cyst d ) or ( _ current nerve cyst d ))) or ( j dental nerve a dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j crespo servan cyst d ) OR ( _ current nerve cyst d ))) OR ( j dental nerve a dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j crespo servan cyst d ) or ( _ current nerve cyst d ))) or ( j dental nerve a dis ))*.