Study of the Long Term Efficacy of Recombinant Hepatitis B Vaccine in Nile Delta of Egypt
NCT02797782
·
clinicaltrials.gov ↗
UNKNOWN
Status
200
Enrollment
OTHER
Sponsor class
Conditions
Hepatitis B Vaccines
Interventions
OTHER:
Detection of anti HBs antibody titer
Sponsor
Sherief Abd-Elsalam