If the author's name is not mentioned in the text. If the author's name is not used in the sentence introducing the source material, then include the author's last name in the parenthetical citation before the page number(s).
And then it went away when I started it again. It was better then a drug â¦ and no side affects! (Later, I found out that the sourse cause of the heartburn was a simple vitamine C tablet that I had also been taking.) Just one more thing. John Lee, M.D. also said that magnesium deficiency can cause leg cramps.
Muscle spasms and cramps. Cramps are caused by muscle spasms, involuntary contractions of one or more muscles. In addition to the foot and calf muscles, other muscles prone to spasms include the front and back of the thigh, the hands, arms, abdomen and muscles along the ribcage.uscle cramps can have many possible causes. They include: 1  Poor blood circulation in the legs. 2  Overexertion of the calf muscles while exercising. 3  Insufficient stretching before exercise.