Talvez deva tentar algumas variações de ortografia:
index monogr » index monitor (Expandir a Pesquisa), index among (Expandir a Pesquisa)
cancer index » cancer induced (Expandir a Pesquisa), cancer induces (Expandir a Pesquisa)
natl cancer » fatal cancer (Expandir a Pesquisa), anal cancer (Expandir a Pesquisa), al cancer (Expandir a Pesquisa)
cancer inca » cancer indian (Expandir a Pesquisa), cancer induce (Expandir a Pesquisa)
nat cancer » eat cancer (Expandir a Pesquisa), fat cancer (Expandir a Pesquisa), beat cancer (Expandir a Pesquisa)
rat cancer » treat cancer (Expandir a Pesquisa), beat cancer (Expandir a Pesquisa), et cancer (Expandir a Pesquisa)
cancer int » cancer inter (Expandir a Pesquisa), cancer intra (Expandir a Pesquisa)
int monogr » being monogr (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), j nay (Expandir a Pesquisa)
a rat » _ rat (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 natl cancer inca monogr ) or ((( j nat cancer index monogr ) or ( a rat cancer int monogr ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j natl cancer inca monogr ) OR ((( j nat cancer index monogr ) OR ( a rat cancer int monogr )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j natl cancer inca monogr ) or ((( j nat cancer index monogr ) or ( a rat cancer int monogr ))))*.