Shrikhande, S SSirsat, M V2009-05-282009-05-281969-12-01Shrikhande SS, Sirsat MV. Primary osteogenic sarcoma of the penis co-existing with squamous-cell carcinoma. A collision tumour. Indian Journal of Cancer. 1969 Dec; 6(4): 256-9http://imsear.searo.who.int/handle/123456789/51247engCarcinoma, Squamous Cell --complicationsHumansMaleMiddle AgedNeoplasms, Multiple PrimaryOsteosarcoma --complicationsPenile Neoplasms --complicationsPrimary osteogenic sarcoma of the penis co-existing with squamous-cell carcinoma. A collision tumour.Journal Article