Formalin/PFA-fixed paraffin-embedded section of an anti-pfa1 antibody…

Old black and white photo of a boat on the water

Group of people walking down a street lined with palm trees

Man sitting on a chair

Brown clay tablet with writing on it against a white background

Open book with a black background and a page from a manuscript with…

Black and white drawing of a group of men on horseback

Open book with a black and white photo of a cow on it

Black and white photo of a bronze sculpture of a woman in a ballet pose