@misc{indiciae815329bf53ca, title = {Perinatal study in Tientsin: 1978.}, author = {K C Lyle and S J Segal and C Chang and L Ch'ien}, year = {1980}, doi = {10.1002/j.1879-3479.1980.tb00497.x}, url = {https://pubmed.ncbi.nlm.nih.gov/6109673/}, note = {Source identifier: 6109673} }