Talvez deva tentar algumas variações de ortografia:
counter pulse » counter public (Expandir a Pesquisa), inter pulse (Expandir a Pesquisa), under pulse (Expandir a Pesquisa)
pulse system » base system (Expandir a Pesquisa), mouse system (Expandir a Pesquisa), case system (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
bento nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
a counter » a country (Expandir a Pesquisa), a county (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
i bento » i benito (Expandir a Pesquisa), i benth (Expandir a Pesquisa), i benzo (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: (((( i bento nerve cyst dis ) or ( a counter pulse system dias ))) or ( j absent nerve case due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i bento nerve cyst dis ) OR ( a counter pulse system dias ))) OR ( j absent nerve case due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i bento nerve cyst dis ) or ( a counter pulse system dias ))) or ( j absent nerve case due ))*.