Susiani S, Lestari MW. Hubungan Kadar Timbal Dalam Darah dengan Kadar Hemoglobin pada Operator SPBU Gombel Semarang: The Correlation of Lead Level in the Blood with Hemoglobin Level on the Operator of Public Refueling Station in Gombel Semarang. J Surya Medika. 2022;8(3):138-145. doi:10.33084/jsm.v8i3.3606