Factsheets for health professionalshttp://www.nps.org.au/health_professionals/publications/factsheetsFactsheets for health professionalsQuinine: Poor efficacy in muscle cramps outweighed by risks of harmQuinine: Poor efficacy in muscle cramps outweighed by risks of harmhttp://www.nps.org.au/health_professionals/publications/factsheets/factsheets/quinine_poor_efficacy_in_muscle_cramp_outweighed_by_risk_of_harm_HP