@article{article2ed9d61e,
title   = {Mass on chest X-ray},
author = {Silva, Geruza Alves and Manço, José Carlos and Terra Filho, João and Glass, Heloisa and Soares, Fernando Augusto},
year = {1997},
doi = {10.1136/pgmj.73.862.515},
journal   = {Postgraduate Medical Journal}
}