A 60-year-old male presented to the emergency with breathlessness, facial swelling and dilated veins on the chest wall. The most common cause is:
The extent to which ionization of a drug takes place is dependent upon pKa of the drug and the pH of the solution in which the drug is dissolved. Which of the following statements is not correct?
Formation of antibody against acetylcholine receptor in pemphigus can be explained by