Musim, M., Damanik, M. and Suryantoro, P. 2016. Effect of urethral meatus cleansing on midstream urine contamination rate in boys. Paediatrica Indonesiana. 48, 3 (Sep. 2016), 180-5. DOI:https://doi.org/10.14238/pi48.3.2008.180-5.