Published on in Vol 7, No 4 (2021): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24984, first published
.
![Secondhand Smoke Exposure of Expectant Mothers in China: Factoring in the Role of Culture in Data Collection Secondhand Smoke Exposure of Expectant Mothers in China: Factoring in the Role of Culture in Data Collection](https://asset.jmir.pub/assets/9baca31d422d7be37a0581e91c4c25c0.png 480w,https://asset.jmir.pub/assets/9baca31d422d7be37a0581e91c4c25c0.png 960w,https://asset.jmir.pub/assets/9baca31d422d7be37a0581e91c4c25c0.png 1920w,https://asset.jmir.pub/assets/9baca31d422d7be37a0581e91c4c25c0.png 2500w)
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