Talvez deva tentar algumas variações de ortografia:
benign female » benign beale (Expandir a Pesquisa), benign focal (Expandir a Pesquisa), benign small (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
female cyst » females cysts (Expandir a Pesquisa), female caste (Expandir a Pesquisa), female chest (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
mesh can » mesh scans (Expandir a Pesquisa), mesh cage (Expandir a Pesquisa), mesh a (Expandir a Pesquisa)
a benign » _ benign (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
can dan » can data (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cent nerve system dis ) OR ( a ventral mesh can dan ))) OR ( a benign female cyst dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i cent nerve system dis ) or ( a ventral mesh can dan ))) or ( a benign female cyst dis ))*.