Human-papillomavirus-vaccine-recombinant-bivalent-japan-vaccine/medimmune/human-papillomavirus-vaccine-recombinant-quadrivalent-merck
Hypersomnolence and insomnia: 6 case reports-
Serious
An event is determined to be serious (based on the ICH definition) when the patient outcome is:
death
life-threatening
hospitalisation
disability
congenital anomaly
other medically important event