https://uu.diva-portal.org/smash/record.jsf?pid=diva2%3A1944618
Effect of fasting and two different photoperiods on immune parameters in adult male and female...
https://pubmed.ncbi.nlm.nih.gov/7334363/
Effect of melatonin on experimental tumors under different photoperiods and times of administration
The effects of melatonin on experimental tumors so far described in the literature are contradictory. This may partially be due to negligence of the importance...