Seasonal variations in public perceptions of diphtheria in Northern Nigeria

• Federal Ministry of Health (NG)
• World Health Organization - Nigeria (NG)
• Babcock University (NG)

كما طُبع: Abara Erim

• Ahmadu Bello University (NG)

• University of Port Harcourt Teaching Hospital (NG)
• University of Port Harcourt (NG)

كما طُبع: Chizaram Anselm Onyeaghala

كما طُبع: Chinenye Claire Chukwu-Mba

• Osun State University (NG)

• University of Bangui (CF)
• Euclid University (GM)

• University of Bangui (CF)
• Euclid University (GM)

كما طُبع: Okechi Eberechukwu Nzedibe