Kumar, S., Bairagi, A., Thakur, S.,
Srivastava, A., Srivastava, V. &
Stekelenburg, J., okt-2021, In:
National Journal of Community Medicine.12, 10,
blz. 336-3427 blz.
Kumar, S., Srivastava, A., Sharma, S., Yadav, V.,
Mittal, A., Kim, Y.-M., Nash-Mercado,
A., Reijneveld, S. A. & Sood, B.,
apr-2019, In:
Contraception.99,
4, blz.
212-21620 blz.