Khari, P., Srivastava, S., & Mullick, S. (2020). The Papanicolaou Society of Cytopathology Classification for Pulmonary Specimens : Application in Exfoliative Respiratory Cytology. Annals of Pathology and Laboratory Medicine, 7(9), A434–438. https://doi.org/10.21276/apalm.2863