Talvez deva tentar algumas variações de ortografia:
crespo servan » crespo hervas (Expandir a Pesquisa), crespo sara (Expandir a Pesquisa), crespo sergio (Expandir a Pesquisa)
benito nerve » benign nerve (Expandir a Pesquisa), benito narvaez (Expandir a Pesquisa), benito eva (Expandir a Pesquisa)
nerve cnase » nerve case (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa), nerve cause (Expandir a Pesquisa)
benao nerve » renal nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
cnase dis » case disc (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j benito » de benito (Expandir a Pesquisa), j benitez (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j benao » j bento (Expandir a Pesquisa), j benzo (Expandir a Pesquisa), j bena (Expandir a Pesquisa)
cn diet » can diet (Expandir a Pesquisa), n diet (Expandir a Pesquisa), corn diet (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 crespo servan cyst dis ) or ((( j benito nerve cnase dis ) or ( j benao nerve cn diet ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a crespo servan cyst dis ) OR ((( j benito nerve cnase dis ) OR ( j benao nerve cn diet )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a crespo servan cyst dis ) or ((( j benito nerve cnase dis ) or ( j benao nerve cn diet ))))*.