title: Seasonal variation in adenosine triphosphate and nicotinamide adenosine dinucleotide in normal term placenta.
mesh_terms: D000255:Adenosine Triphosphate / Q000032:analysis*; D003124:Colorimetry; D005260:Female; D006801:Humans; D009243:NAD / Q000032:analysis*; D010920:Placenta / Q000032:analysis*; D011247:Pregnancy; D012621:Seasons
chemical_list: D009243:NAD; D000255:Adenosine Triphosphate