孕激素与早期妊娠:预防及治疗
张俊丽, 阮祥燕
Progestogens and early pregnancy:prevention and treatment
ZHANG Junli, RUAN Xiangyan
首都医科大学学报 . 2013, (4): 494 -495 .  DOI: 10.3969/j.issn.1006-7795.2013.04.003