Talvez deva tentar algumas variações de ortografia:
medical reserves » medical reserve (Expandir a Pesquisa), medical referees (Expandir a Pesquisa), medical researches (Expandir a Pesquisa)
reserves system » reserve system (Expandir a Pesquisa), reserved systems (Expandir a Pesquisa), preserves systemic (Expandir a Pesquisa)
recent nerve » prevent nerve (Expandir a Pesquisa), rodent nerve (Expandir a Pesquisa), recurrent nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
cin merve » n merve (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
ai recent » ii recent (Expandir a Pesquisa), i recent (Expandir a Pesquisa), oi recent (Expandir a Pesquisa)
j medical » j medina (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
a cin » a cis (Expandir a Pesquisa), _ cin (Expandir a Pesquisa), a can (Expandir a Pesquisa)
c dis » c dias (Expandir a Pesquisa), c disc (Expandir a Pesquisa), c dos (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: (((( a cin merve can dcs ) OR ( ai recent nerve c dis ))) OR ( j medical reserves system dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cin merve can dcs ) or ( ai recent nerve c dis ))) or ( j medical reserves system dis ))*.