DLH D, Usman A, Nataprawira M, Primadi A. The prevalence of hyaline membrane disease and the value of shake test and lamellar body concentration in preterm infants. PI [Internet]. 10Oct.2016 [cited 7May2024];43(3):77-1. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/665