According to GA-216-2010 (Application and Finishing of Gypsum Panel Products), the practice is acceptable with the addition of one caveat that does not appear in the text.
Section 5.5 of GA-216 allows the use of a combination of fasteners, consisting of nails along the perimeter and screws in the field of the board, in a standard, non-fire-resistive installation of gypsum board. In fact, this is a fairly common residential application practice in some parts of the United States and Canada.