Talvez deva tentar algumas variações de ortografia:
rivero system » river system (Expandir a Pesquisa), drivers system (Expandir a Pesquisa), river systems (Expandir a Pesquisa)
mendez rivero » mendez rivera (Expandir a Pesquisa), mendez romero (Expandir a Pesquisa), mendez ricardo (Expandir a Pesquisa)
curran drug » current drug (Expandir a Pesquisa), current drugs (Expandir a Pesquisa), curran bruce (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
beta merve » beta nerve (Expandir a Pesquisa), usta merve (Expandir a Pesquisa), eda merve (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
can diets » cane diets (Expandir a Pesquisa), can diet (Expandir a Pesquisa), corn diets (Expandir a Pesquisa)
j curran » j currie (Expandir a Pesquisa)
j mendez » a mendez (Expandir a Pesquisa)
j beta » j beth (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 curran drug system dis ) or ((( j beta merve can diets ) or ( j mendez rivero system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j curran drug system dis ) OR ((( j beta merve can diets ) OR ( j mendez rivero system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j curran drug system dis ) or ((( j beta merve can diets ) or ( j mendez rivero system dis ))))*.