Random triples
| Subject | Object |
|---|---|
| gptkb:Pfizer_COVID-19_vaccine_trial | headache |
| gptkb:Pfizer_COVID-19_vaccine_trial | serious adverse events |
| gptkb:Pfizer_COVID-19_vaccine_trial | injection site pain |
| gptkb:Pfizer_COVID-19_vaccine_trial | fever |
| gptkb:Pfizer_COVID-19_vaccine_trial | fatigue |