Talvez deva tentar algumas variações de ortografia:
based composites » based composite (Expandir a Pesquisa)
composites mean » composite means (Expandir a Pesquisa), composites a (Expandir a Pesquisa), composites made (Expandir a Pesquisa)
caused death » cause death (Expandir a Pesquisa), causes death (Expandir a Pesquisa), based death (Expandir a Pesquisa)
pcr compared » pcr coupled (Expandir a Pesquisa), pcr combined (Expandir a Pesquisa)
coma caused » sarcoma caused (Expandir a Pesquisa), eczema caused (Expandir a Pesquisa), edema caused (Expandir a Pesquisa)
mean new » means new (Expandir a Pesquisa), ocean new (Expandir a Pesquisa)
_ based » _ base (Expandir a Pesquisa), _ bases (Expandir a Pesquisa)
l coma » l comas (Expandir a Pesquisa), l como (Expandir a Pesquisa), l coca (Expandir a Pesquisa)
mc pcr » mt pcr (Expandir a Pesquisa), dc pcr (Expandir a Pesquisa), ms pcr (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 l coma caused death ) or ((( mc pcr compared _ nortes ) or ( _ based composites mean new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coma caused death ) OR ((( mc pcr compared _ nortes ) OR ( _ based composites mean new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coma caused death ) or ((( mc pcr compared _ nortes ) or ( _ based composites mean new ))))*.