TY - RPRT TI - Small cell and squamous cell lung carcinomas: sequential occurrence at a single site. AU - C P Kelly AU - D O'Donnell AU - B West AU - N Gallagher AU - L Clancy PY - 1987 DO - 10.1136/thx.42.10.821 UR - https://pubmed.ncbi.nlm.nih.gov/2827336/ ID - 2827336 ER -