/ Design Patterns. In software engineering, creational design patterns are design patterns that deal with object creation mechanisms, trying to create objects in a manner suitable to the situation. The basic form of object creation could result in design problems or added complexity to the design.
1 Gastroenterologist-specializes in diseases of the digestive system. 2  Geriatrician (Geriatric Medicine) - general practice physician who specializes in caring for older adults. 3  Hematologist-a hematologist specializes in diseases of the blood and bone marrow. 4  Hepatologist-specializes in diseases of the liver.
A Dr. Nasser A. Chaudhry, MD , Cardiology (Cardiovascular Disease), answered on behalf of Lourdes Health System. Doctors who practice phlebology are the specialists who treat varicose veins. These specialists may include family practitioners, internists, dermatologists, radiologists, cardiologists and general and vascular surgeons.