on the genre designation, see Martin 1997 (p. 14, no. 9): "The histories of traditional science in general but primarily of medicine called ཁོག་དབུབ, ཁོག་འབུགས or, probably more correctly, ཁོག་འབུབས (a term of uncertain etymology, sometimes used in the sense of a 'general outline', probably with analogy to the ribs of an umbrella or of a tent [or any similar structure] that 'arch over' or 'form a canopy over' [འབུབས] an 'interior space' [ཁོག])."