Singhal, VAbrol, B MRoy, S2009-05-282009-05-281979-03-01Singhal V, Abrol BM, Roy S. Primary tracheal tumours. Indian Journal of Cancer. 1979 Mar; 16(1): 18-21http://imsear.searo.who.int/handle/123456789/50385engAdenocarcinoma --pathologyAdenoma --pathologyAdolescentAdultCarcinoma --pathologyCarcinoma, Adenoid Cystic --pathologyFemaleHumansMaleMiddle AgedPrognosisTracheal Neoplasms --pathologyCase Reports