The Attitude of the Pharmacist in Extracting Information on the Self-Medication of Dental Pain at Pharmacies in Pekanbaru of Riau Province: Sikap Tenaga Kefarmasian Dalam Penggalian Informasi Pada Swamedikasi Nyeri Gigi Di Apotek-Apotek Kota Pekanbaru Provinsi Riau. JPFI 2018, 5, 67-73.