@misc{indiciae99bbbd80eb86, title = {Reference range for serum cortisol in well preterm infants.}, author = {M Heckmann and S A Wudy and D Haack and F Pohlandt}, year = {1999}, doi = {10.1136/fn.81.3.f171}, url = {https://pubmed.ncbi.nlm.nih.gov/10525017/}, note = {Source identifier: 10525017} }