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Papers published by Mr Zhaokai Ma:
Response to Letter
On Exposure Definition and Temporal Interpretation in the Reported Association Between Number of Pregnancies and Rheumatoid Arthritis [Response to Letter]
Sheng W, Hu Z, Ma Z, Feng Q, Chen N
International Journal of Women's Health 2026, 18:616536
Published Date: 8 May 2026
Original Research
The Number of Pregnancies is Associated with an Increased Risk of Rheumatoid Arthritis: Evidence from NHANES 2015–2018
Sheng W, Hu Z, Ma Z, Feng Q, Chen N
International Journal of Women's Health 2026, 18:575309
Published Date: 27 March 2026