Quality control of vaccines-A journey from classical approach to 3Rs. 
								                                 
                            
National Institute of Biologicals, Ministry of Health & Family Welfare, Noida, Uttar Pradesh, India
Biography:
Dr. Mahendra Pal Singh have a phd in the department of biologicals and ministry of health and family welfare at noida . he is having morethan 20 publications in national and international journals.
Subjects of specialization: biologicals
