Sinusitis pada Anak

by Rinaldi Rinaldi, Helmi M. Lubis, Ridwan M. Daulay, Gabriel Panggabean
Published 2016-12-01

Comparison of peak expiratory flow rate (PEFR) before and after physical exercise in obese and non-obese children

by Febrina Z. Siregar, Gabriel Panggabean, Ridwan M. Daulay, Helmi M. Lubis
Published 2009-03-01

Comparison of pulmonary function test results before and after exercise in junior high school students

by Hendy Zulkarnain, Munar Lubis, Gabriel P., Ridwan M. D., Helmi M. Lubis
Published 2010-06-01

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

Peran Komunikasi, Informasi, dan Edukasi pada Asma Anak

by M. Arif Matondang, Helmi M Lubis, Ridwan M Daulay, G Panggabean, Wisman Dalimunthe
Published 2016-11-01

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