Back - calls [return visits] should be made on these persons, answering various questions..., and then begin a model study... as soon as you possibly can. ”
می‌باید از این افراد بازدید به عمل آید و به سؤالاتشان پاسخ داده شود .‏ .‏ .‏ ،‏ و هر چه زودتر .‏ .‏ .‏