Effect of sampling time and site on the pH of umbilical cord venous blood
MENG Qing-ju1, LI Yan-qiu1, YE Feng-ying1, WU Jing2, HUANG Wan-jun3
Journal of Hebei Medical University . 2024, (4): 458 -462 .  DOI: 10.3969/j.issn.1007-3205.2024.04.015