Talvez deva tentar algumas variações de ortografia:
nacl impaired » al impaired (Expandir a Pesquisa), renal impaired (Expandir a Pesquisa), focal impaired (Expandir a Pesquisa)
impaired th17 » impaired th1 (Expandir a Pesquisa), impairs th17 (Expandir a Pesquisa), impaired toll (Expandir a Pesquisa)
natl clamp » tail clamp (Expandir a Pesquisa)
campo tia » campo tema (Expandir a Pesquisa), campo tras (Expandir a Pesquisa), campo a (Expandir a Pesquisa)
tia ngoc » ta ngoc (Expandir a Pesquisa), tra ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
y campo » y cambio (Expandir a Pesquisa)
a nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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 nacl impaired th17 ngoc ) or ((( j natl clamp a now ) or ( j y campo tia ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a nacl impaired th17 ngoc ) OR ((( j natl clamp a now ) OR ( j y campo tia ngoc )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a nacl impaired th17 ngoc ) or ((( j natl clamp a now ) or ( j y campo tia ngoc ))))*.