PNEUMOCOCCAL VACCINE STUDY Osallistu tutkimukseen Research code: PSK04 EU trial number: 2023-507600-32 Vaccine Research Clinics: Espoo Clinic, Helsinki South Clinic, Järvenpää Clinic, Tampere Clinic, Turku Clinic, Seinäjoki Clinic, Kokkola Clinic, Oulu Clinic
