@misc{indiciae233a5081d18d, title = {Letter}, author = {CC ChangChien and H Lin and SW Leung and CY Hsu and CL Cho}, year = {1999}, doi = {10.1006/gyno.1999.5493}, url = {https://pubmed.ncbi.nlm.nih.gov/10385791/}, note = {Source identifier: 10385791} }