@article {Young114, author = {Gavin Young}, title = {Muscle cramps: quinine derivatives likely to be effective but not recommended for routine use due to toxicity; vitamin B complex, naftidrofuryl and calcium channel blockers possibly effective}, volume = {15}, number = {4}, pages = {114--115}, year = {2010}, doi = {10.1136/ebm1090}, publisher = {Royal Society of Medicine}, issn = {1356-5524}, URL = {https://ebm.bmj.com/content/15/4/114}, eprint = {https://ebm.bmj.com/content/15/4/114.full.pdf}, journal = {BMJ Evidence-Based Medicine} }