The impression smear technic.
D000818:Animals; D001943:Breast Neoplasms / Q000473:pathology / Q000662:veterinary*; D003581:Cytodiagnosis / Q000662:veterinary; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005260:Female; D006652:Histological Techniques / Q000662:veterinary; D008321:Mammary Glands, Animal / Q000473:pathology*; D008407:Mast Cells