Galen's method of physick: or, his great master-peece; [electronic resource] : being the very marrow and quintessence of all his writings. Wherein he exceeds not only himself, but also all others, on such a subject, being not only sufficent thorowly to acquaint any judicious man with all the principles of physick or medicine, but also it is absolutely necessary for directing all practitioners in all their physicall applications and cures. Whereto is annexed a succinct and plain commentary for explaining the difficulties thereof, / by its translatour, Peter English, st. of physick