@article{Tymicki2017,
author = {Tymicki, K.},
title= {Measuring the waiting time to pregnancy with the use of a retrospective questionnaire in the course of the GGS-PL study entitled ‘generations and gender survey},
year = {2017},
doi = {10.4467/20842627OZ.17.018.6788},
volume = {15},
number = {2},
pages = {161--171},
}