41.   In addition to untapped reserves, they are recognized for having developed new methods to extract heavy oil from the ground.

42.   In his early work on the metabolism of human serum proteins he employed radioisotopic labels and developed a method for the radioisotopic labeling of human red cells.

43.   In response, drug companies have developed new methods of finding patients for the trials by turning to private-practice doctors who recruit from their lists of patients.

44.   In response, drug companies have developed new methods of finding participants for the trials by turning to private-practice doctors who recruit from their lists of patients.

45.   In the past, different countries and cultures have developed different methods of classifying or naming species and definitions vary widely.

46.   In the next decade, Zinc Corporation and other Broken Hill companies developed a method of separating the valuable zinc minerals from the waste.

47.   In Taiwan, these complications motivated Wen-Ya Yeh to develop a method of cutting hair that helps to eliminate clumsy clipping.

48.   It is unclear whether a more effective method of replenishing underground reservoirs can be developed by then.

49.   It was his main interest outside medicine, and he developed a method of mating butterflies to create rare hybrids.

50.   Its methods were developed by Norman Borlaug, the American agronomist who heads the Sasakawa part of the venture.