title: Anomalous cardiovascular structures in a guinea pig.
mesh_terms: D000818:Animals; D005260:Female; D006168:Guinea Pigs; D006330:Heart Defects, Congenital / Q000662:veterinary*; D011247:Pregnancy; D012376:Rodent Diseases / Q000151:congenital*; D013154:Spleen / Q000002:abnormalities; D014682:Vena Cava, Inferior / Q000002:abnormalities*