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)
cancer merve » cancer nerve (Expandir a Pesquisa), cancer serves (Expandir a Pesquisa), cancer merece (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
j medical » j medina (Expandir a Pesquisa), hajj medical (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
merve a » merve _ (Expandir a Pesquisa), merve m (Expandir a Pesquisa), merve h (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
a dos » a dog (Expandir a Pesquisa), e dos (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j cancer merve a dos ) or ( ii recent nerve c dis ))) or ( j medical reserves system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer merve a dos ) OR ( ii recent nerve c dis ))) OR ( j medical reserves system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer merve a dos ) or ( ii recent nerve c dis ))) or ( j medical reserves system dis ))*.