Clinical Laboratory;
Qingyuan Maternity & Child Healthcare Hospital;
Qingyuan 511500;
Guangdong Province;
China;
Clinical Laboratory;
Qingyuan Maternity & Child Healthcare Hospital;
Qingyuan 511500;
Guangdong Province;
China;
Clinical Laboratory;
Qingyuan Maternity & Child Healthcare Hospital;
Qingyuan 511500;
Guangdong Province;
China;