APA (7th ed.) Citation

血β-HCG、孕酮、雌二醇和B超检查预测 宫内妊娠早期阴道流血结局. Editorial Office of Journal of Sun Yat-sen University.

Chicago Style (17th ed.) Citation

血β-HCG、孕酮、雌二醇和B超检查预测 宫内妊娠早期阴道流血结局. Editorial Office of Journal of Sun Yat-sen University.

MLA (9th ed.) Citation

血β-HCG、孕酮、雌二醇和B超检查预测 宫内妊娠早期阴道流血结局. Editorial Office of Journal of Sun Yat-sen University.

Warning: These citations may not always be 100% accurate.