"Change over time in the treatment of pemphigus vulgaris between 2004 and 2016 in Iran": A multiple cross‐sectional study. Issue 2 (7th February 2019) - Salarvand, Fereshteh; Fatehi, Zahra; Shahali, Maryam; Balighi, Kamran; Ghiasi, Maryam; Abedini, Robabeh; Mahmoudi, Hamidreza; Tavakolpour, Soheil; Chams‐Davatchi, Cheyda; Daneshpazhooh, Maryam