@misc{indiciae11f2352115a9, title = {Are caffeinated beverages risk factors for delayed conception?}, author = {M R Joesoef and V Beral and R T Rolfs and S O Aral and D W Cramer}, year = {1990}, doi = {10.1016/0140-6736(90)90005-p}, url = {https://pubmed.ncbi.nlm.nih.gov/1967434/}, note = {Source identifier: 1967434} }