The Effect of Heart Sound and White Noise on Pain and Physiological Parameters During Hepatitis B Vaccine Injection

In the Heart sound group, this sound will be played to the newborn 5 minutes before Hep B vaccine administration, during the procedure (at 1 minute) and 5 minutes after Hep B vaccine administration

"Musician Osman Orhan's song Bebeğiniz Ağlamasın from his album Kolik will be used for white noise. The volume will be set to 45 db."