Pengaruh relaksasi otot progresif terhadap kenyamanan, mual dan muntah akibat kemoterapi pada pasien kanker anak di RSUP. H. Adam Malik Medan = Influence of progressive muscle relaxation for discomfort nausea and vomiting induced chemotheraphy to pediatric cancer in RSUP. H. Adam Malik Medan / Rahmitha Sari - Rahmitha Sari, author (2014)