a follow-up study on diphtheria carriers among children below 5 years in a rural population of lucknow district. | | 1973 | 4202052 |
a study of immunity status against diphtheria among children below five years in a rural population in lucknow district. | | 1971 | 5003543 |
some observations on biochemical properties and virulence of corynebacterium diphtheriae isolated in lucknow. | | 1964 | 14112158 |