Area gastroenterologist John Kleemer said 'Mylanta' this week, according to patient Stanley Thurlong, 49, a longtime heartburn and painful acid indigestion sufferer. 'My doctor said Mylanta,' Thurlong told reporters Monday at a press conference at the Val-U-Sav Pharmacy where he purchased the non-prescription medication. Liz Nathan, Kleemer's secretary, confirmed the report. 'Dr. Kleemer said 'Mylanta,'' she said. 