Pattern of newborn babies delivered by cesarean section

by Guslihan D Tjipta, Riza I Nasution, Dachrul Aldy, Zakaria Siregar
Published 2016-09-01

Is Family Planning Already Accepted by the Present Generation? Freshmen's View on Family Planning at University of North Sumatera, Medan ( Third Report )

by Amir Syarifuddin, Irwan Thahir, Berlian Hasibuan, Zakaria Siregar, Helena Siregar
Published 2019-08-01

Bronchopneumonia with measles in Infants and Children at the Department of Child Health School of Medicine, University of North Sumatera/ Dr. Pirngadi Hospital Medan (January 1985...

by Charles Hutasoit, Mardiana K. Dj., Ridwan M. Daulay, Helmi M. Lubis, Zakaria Siregar
Published 2019-02-01

Mantoux Test in Under-five Children Visiting the out~patient Child Clinic of Dr. Pirngadi Hospital, Medan

by A. Razak Dalimunthe, Ridwan M. Daulay, Iskandar Z. Lubis, Helmi Muchtar Lubis, Zakaria Siregar
Published 2019-01-01

Peak expiratory flow rate of primary school children in high and low air pollution level areas

by Ismart Edy Hasibuan, M Nur Supriatmo, A Faisal, Gabriel Panggabean, Ridwan M Daulay, Zakaria Siregar, Helmi M Lubis
Published 2016-09-01