Perry, E., Chaudhary, R. K., Cleary, T. E., & Roughley, F. R. (1975). Hepatitis B surface antigen and its subtypes in an institution for the mentally retarded.
শিকাগো স্টাইলে সাইটেশনPerry, E., R. K. Chaudhary, T. E. Cleary, এবং F. R. Roughley. Hepatitis B Surface Antigen and Its Subtypes in an Institution for the Mentally Retarded. 1975.
এমএলএ সাইটেশনPerry, E., R. K. Chaudhary, T. E. Cleary, এবং F. R. Roughley. Hepatitis B Surface Antigen and Its Subtypes in an Institution for the Mentally Retarded. 1975.
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