Results 141 to 150 of about 140,542 (150)

[Gastrointestinal manifestations and liver disorders in patients with COVID-19]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Vázquez-Cruz E   +3 more
europepmc   +1 more source

[Effect of previous exposure to COVID-19, occurrence of spikes, and type of vaccine on the humoral immune response of institutionalized older adults]. [PDF]

open access: yesCad Saude Publica
Aguirre F   +13 more
europepmc   +1 more source

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