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• No Electronic Version

  Proposed requirements for the standardization and control of hepatitis B vaccines made by recombinant DNA techniques in yeast : requirements for Biological Substances No. 39 

  World Health Organization. Biologicals Unit; WHO Expert Committee on Biological Standardization (‎1985 : Geneva, Switzerland)‎ (‎WHO/BS/85.1478 Rev.3. Unpublished, 1985)‎
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  Vaccination against hepatitis A virus may not be required for schoolchildren in northern India : results of a seroepidemiological survey / Yogesh Batra ... [‎et al.]‎ 

  Batra, Yogesh; Bhatkal, Bharati; Ojha, Bandana; Kaur, Kuldeep; Saraya, Anoop; Kumar Panda, Subrat; Kumar Acharya, Subrat (‎2002)‎
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  Vaccination against hepatitis A virus may not be required for schoolchildren in northern India: results of a seroepidemiological survey. 

  Batra, Yogesh; Bhatkal, Bharati; Ojha, Bandana; Kaur, Kuldeep; Saraya, Anoop; Panda, Subrat Kumar; Acharya, Subrat Kumar (‎2002)‎