MAJEE, S. B., and S. PAL. “PRECLINICAL STUDIES AND CLINICAL TRIALS IN DETERMINATION OF SAFETY AND EFFICACY OF MENINGOCOCCAL VACCINES: PRESENT SCENARIO”. Asian Journal of Pharmaceutical and Clinical Research, vol. 14, no. 4, Apr. 2021, pp. 39-44, doi:10.22159/ajpcr.2021.v14i4.40509.