Coverage Evaluation Survey Of Immunization In Eleven States Of India oleh Patowary A C, Jaiswal O N, Lal Sunder, Govila A K, Pratinidhi A, Sharma A R, Swain S, Gupta S D, Joseph A, Sawhney N, Chakraborty A K, Maitra K K, Chandrasekhar C, Mathur A K, Saxena N C, Saxena B N