Talvez deva tentar algumas variações de ortografia:
oedema caused » edema caused (Expandir a Pesquisa)
harm compared » arm compared (Expandir a Pesquisa), hard compared (Expandir a Pesquisa), farms compared (Expandir a Pesquisa)
pcr compared » pcr combined (Expandir a Pesquisa)
compared law » compared can (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
caused netw » caused death (Expandir a Pesquisa), caused fetal (Expandir a Pesquisa)
leg oedema » leg edema (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
law new » jaw new (Expandir a Pesquisa)
_ harm » _ hard (Expandir a Pesquisa)
j leg » _ leg (Expandir a Pesquisa), j lee (Expandir a Pesquisa), a leg (Expandir a Pesquisa)
q pcr » _ pcr (Expandir a Pesquisa), a pcr (Expandir a Pesquisa), 2 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 leg oedema caused netw ) or ((( q pcr compared a north ) or ( _ harm compared law new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j leg oedema caused netw ) OR ((( q pcr compared a north ) OR ( _ harm compared law new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j leg oedema caused netw ) or ((( q pcr compared a north ) or ( _ harm compared law new ))))*.