1.
Dharmasetiawani N, Firmansyah A. Elastase-1 concentration in feces of term and preterm infants aged 0 - 4 months. Med J Indones [Internet]. 2003May1 [cited 2024Dec.22];12(2):69-72. Available from: http://mji.ui.ac.id/journal/index.php/mji/article/view/95