Talvez deva tentar algumas variações de ortografia:
recurrent stone » recurrent stroke (Expandir a Pesquisa), recurrent strokes (Expandir a Pesquisa), recurrent skin (Expandir a Pesquisa)
a recurrent » _ recurrent (Expandir a Pesquisa)
genes serve » genes server (Expandir a Pesquisa), genes serves (Expandir a Pesquisa), genes series (Expandir a Pesquisa)
stone cyst » stone cast (Expandir a Pesquisa), stone casts (Expandir a Pesquisa), bone cyst (Expandir a Pesquisa)
cent serve » best serve (Expandir a Pesquisa), pet serve (Expandir a Pesquisa), client server (Expandir a Pesquisa)
serve cyst » nerve cyst (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
ii cent » ii center (Expandir a Pesquisa), ii centro (Expandir a Pesquisa), ii censo (Expandir a Pesquisa)
j genes » j gene (Expandir a Pesquisa), j genesca (Expandir a Pesquisa), vdj genes (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: (((( a recurrent stone cyst dis ) or ( ii cent serve cyst dis ))) or ( j genes serve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a recurrent stone cyst dis ) OR ( ii cent serve cyst dis ))) OR ( j genes serve cyst dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a recurrent stone cyst dis ) or ( ii cent serve cyst dis ))) or ( j genes serve cyst dis ))*.