Talvez deva tentar algumas variações de ortografia:
recurrent severe » recurrent fever (Expandir a Pesquisa), recurrent seizures (Expandir a Pesquisa), recurrent stroke (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
severe cast » severe case (Expandir a Pesquisa), severe east (Expandir a Pesquisa), severe cases (Expandir a Pesquisa)
mehta nerve » mehta nave (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa), mehta neeraj (Expandir a Pesquisa)
system due » system der (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), j curran (Expandir a Pesquisa), j currell (Expandir a Pesquisa)
cast dis » cast des (Expandir a Pesquisa), cast die (Expandir a Pesquisa), chest dis (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a dos » e dos (Expandir a Pesquisa), a dog (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: (((( j current nerve a dos ) OR ( _ recurrent severe cast dis ))) OR ( a mehta nerve system due ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j current nerve a dos ) or ( _ recurrent severe cast dis ))) or ( a mehta nerve system due ))*.