Judged from legal stand point, [56].

Defined, [56], [57].

Liability for, when causing injury, [57], [63], [167].

Medical men must exercise reasonable care and diligence, [58].

Sex no excuse, [61].

Where services are gratuitous, [65].

— — — voluntary, [65], [66].

Proximate cause, [69].

When requested to perform operation, [69].

Aggravated by nursing, [70].