van Gelder, M. M., Schouten, N. P., Merkus, P. J., Verhaak, C. M., Roeleveld, N., & Roukema, J. (2015). Using Web-Based Questionnaires and Obstetric Records to Assess General Health Characteristics Among Pregnant Women: A Validation Study. J Med Internet Res.
Citação norma Chicagovan Gelder, Marleen MHJ, Naomi PE Schouten, Peter JFM Merkus, Chris M. Verhaak, Nel Roeleveld, and Jolt Roukema. "Using Web-Based Questionnaires and Obstetric Records to Assess General Health Characteristics Among Pregnant Women: A Validation Study." J Med Internet Res 2015.
ציטוט MLAvan Gelder, Marleen MHJ, et al. "Using Web-Based Questionnaires and Obstetric Records to Assess General Health Characteristics Among Pregnant Women: A Validation Study." J Med Internet Res 2015.