@misc{indiciae02aae9e69e55, title = {Differentiation between malignant and non-malignant pleural effusion.}, author = {G MÃ¥rtensson and K Pettersson and G Thiringer}, year = {1985}, url = {https://pubmed.ncbi.nlm.nih.gov/4085584/}, note = {Source identifier: 4085584} }