Sunyal, Dipok Kumar, Md Ruhul Amin, Abida Ahmed, Mir Rabaya Akhter, Golam Morshed Molla, and ABM Omar Faruque. 2010. “Physiological Adjustment of Arterial Blood Gases and Bicarbonate ION During Pregnancy in Human”. Bangladesh Journal of Physiology and Pharmacology 23 (1):10-12. https://doi.org/10.3329/bjpp.v23i1.5724.