title: The association of hypocalcemia and recurrent apnea in premature infants.
mesh_terms: D000037:Abruptio Placentae; D001034:Apgar Score; D001049:Apnea / Q000150:complications*; D001724:Birth Weight; D001798:Blood Proteins; D002118:Calcium / Q000134:cerebrospinal fluid / Q000652:urine; D005260:Female; D005865:Gestational Age; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006973:Hypertension; D006996:Hypocalcemia / Q000150:complications*; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases; D007746:Labor Presentation; D008274:Magnesium / Q000097:blood / Q000134:cerebrospinal fluid; D008297:Male; D010758:Phosphorus / Q000097:blood / Q000652:urine; D010923:Placenta Previa; D011225:Pre-Eclampsia; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular
chemical_list: D001798:Blood Proteins; D010758:Phosphorus; D008274:Magnesium; D002118:Calcium