Talvez deva tentar algumas variações de ortografia:
cardiovascular functions » cardiovascular function (Expandir a Pesquisa), cardiovascular actions (Expandir a Pesquisa), cardiovascular dysfunction (Expandir a Pesquisa)
aortic cardiovascular » thoracic cardiovascular (Expandir a Pesquisa), diabetic cardiovascular (Expandir a Pesquisa), chronic cardiovascular (Expandir a Pesquisa)
functions pediatric » reactions pediatric (Expandir a Pesquisa), conditions pediatric (Expandir a Pesquisa), infections pediatric (Expandir a Pesquisa)
pediatric appe » pediatric age (Expandir a Pesquisa), pediatric acute (Expandir a Pesquisa), pediatric ankle (Expandir a Pesquisa)
german aortic » german ortiz (Expandir a Pesquisa), human aortic (Expandir a Pesquisa)
appe leads » age leads (Expandir a Pesquisa), ace leads (Expandir a Pesquisa), rpe leads (Expandir a Pesquisa)
leads anne » leads alone (Expandir a Pesquisa), lea anne (Expandir a Pesquisa), leake anne (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: german aortic cardiovascular functions pediatric appe leads anne~.