Talvez deva tentar algumas variações de ortografia:
benson nerve » benson eve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa), benson george (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
i femoral » ii femoral (Expandir a Pesquisa), iv femoral (Expandir a Pesquisa), iii femoral (Expandir a Pesquisa)
j benson » j benton (Expandir a Pesquisa)
neck can » neck case (Expandir a Pesquisa), neck chin (Expandir a Pesquisa), neck clam (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), i benign (Expandir a Pesquisa), ii benign (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (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 benson nerve system dis ) or ( i femoral neck can dcs ))) or ( j benign nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j benson nerve system dis ) OR ( i femoral neck can dcs ))) OR ( j benign nerve system dis ))*.