@misc{indiciae775e53d63439, title = {Bifocal adds and environmental temperature.}, author = {I K Kragha and H W Hofstetter}, year = {1986}, doi = {10.1097/00006324-198605000-00009}, url = {https://pubmed.ncbi.nlm.nih.gov/3717290/}, note = {Source identifier: 3717290} }