This volume contains recommended quantities, indications & dosing for 55 medicines listed in the International Medical Guide for Ships 3rd edition. The quantities are based on three types of ships:- ocean-going ships with crews of 25-40 & no doctor (Category A);- coastal ships with cres of up to 25 that travel no more than 24 hours from a port of call (Category B); &- small boats & private craft with crews of 15 or less, & usually travelling no more than a few hours from a port of call (Category C).